Digit rule · 306 sequences
The sequences of the family “digit rule”, by A-number, with the share of their decomposable terms in the level class (k > L).
- primes · 1717
- polynomial · 1232
- quadratic form · 430
- prime values · 423
- residue class · 357
- digit rule · 306
- multiplicative · 199
- Beatty · 86
- divisor functions · 58
- binary rule · 48
- self-referential · 35
- complement · 23
- powers · 22
- summatory · 21
- arithmetic progression · 10
- smooth · 10
- forced divisor · 9
- sieve · 8
- block · 5
- base case · 1
| A-number | Name | Level |
|---|---|---|
| A000787 | Strobogrammatic numbers: the same upside down | 93.4 % |
| A000966 | n! never ends in this many 0's | 19.4 % |
| A001101 | Moran numbers: k such that k/(sum of digits of k) is prime | 35.6 % |
| A001363 | Primes in ternary | 27.9 % |
| A001633 | Numbers with an odd number of digits | 9.2 % |
| A001637 | Numbers with an even number of digits | 8.7 % |
| A001704 | a(n) = n concatenated with n + 1 | 100.0 % |
| A001729 | List of numbers whose digits contain no loops (version 1) | 15.0 % |
| A001740 | Squares written in base 5 | 100.0 % |
| A001741 | Squares written in base 6 | 100.0 % |
| A001742 | Numbers whose digits contain no loops (version 2) | 17.1 % |
| A001743 | Numbers in which every digit contains at least one loop (version 1) | 13.5 % |
| A001744 | Numbers n such that every digit contains a loop (version 2) | 13.7 % |
| A001745 | Numbers such that at least one digit contains a loop (version 2). Also called "holey" or "holy" numbers | 9.8 % |
| A001746 | At least one digit contains a loop (version 1) | 9.9 % |
| A002113 | Palindromes in base 10 | 71.7 % |
| A002440 | Squares written in base 7 | 100.0 % |
| A002441 | Squares written in base 8 | 100.0 % |
| A002442 | Squares written in base 9 | 100.0 % |
| A002796 | Numbers that are divisible by each nonzero digit | 13.9 % |
| A003052 | Self numbers or Colombian numbers (numbers that are not of the form m + sum of digits of m for any m) | 24.9 % |
| A003219 | Self numbers divisible by sum of their digits (or, self numbers which are also Harshad numbers) | 33.2 % |
| A003278 | Szekeres's sequence: a(n)-1 in ternary = n-1 in binary; also: a(1) = 1, a(2) = 2, and thereafter a(n) is smallest number k which avoids any 3-term arithmetic progression in a(1), a(2), ..., a(n-1), k | 0.4 % |
| A003635 | Inconsummate numbers in base 10: no number is this multiple of the sum of its digits (in base 10) | 18.0 % |
| A004207 | a(0) = 1, a(n) = sum of digits of all previous terms | 14.2 % |
| A004678 | Primes written in base 4 | 27.3 % |
| A004679 | Primes written in base 5 | 27.6 % |
| A004680 | Primes written in base 6 | 30.7 % |
| A004681 | Primes written in base 7 | 23.6 % |
| A004682 | Primes written in base 8 | 30.8 % |
| A004683 | Primes written in base 9 | 24.6 % |
| A005349 | Niven (or Harshad, or harshad) numbers: numbers that are divisible by the sum of their digits | 20.3 % |
| A005836 | Numbers whose base-3 representation contains no 2 | 14.7 % |
| A006507 | a(n+1) = a(n) + sum of digits of a(n), with a(1)=7 | 14.2 % |
| A006753 | Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity) | 29.2 % |
| A007089 | Numbers in base 3 | 10.7 % |
| A007090 | Numbers in base 4 | 12.7 % |
| A007091 | Numbers in base 5 | 11.1 % |
| A007092 | Numbers in base 6 | 10.6 % |
| A007093 | Numbers in base 7 | 11.8 % |
| A007094 | Numbers in base 8 | 10.0 % |
| A007095 | Numbers in base 9 | 9.2 % |
| A007612 | a(n+1) = a(n) + digital root (A010888) of a(n) | 0.0 % |
| A007618 | a(n) = a(n-1) + sum of digits of a(n-1), a(1) = 5 | 14.2 % |
| A007770 | Happy numbers: numbers whose trajectory under iteration of sum of squares of digits map (see A003132) includes 1 | 19.7 % |
| A007928 | Numbers containing an even digit | 9.3 % |
| A007931 | Numbers that contain only 1's and 2's. Nonempty binary strings of length n in lexicographic order | 11.1 % |
| A007932 | Numbers that contain only 1's, 2's and 3's | 10.7 % |
| A007957 | Numbers that contain an odd digit | 9.9 % |
| A009440 | a(n) is the concatenation of n and 6n | 100.0 % |
| A009441 | a(n) is the concatenation of n and 7n | 100.0 % |
| A009470 | a(n) is the concatenation of n and 8n | 100.0 % |
| A009474 | a(n) is the concatenation of n and 9n | 100.0 % |
| A009994 | Numbers with digits in nondecreasing order | 19.8 % |
| A009996 | Numbers with digits in nonincreasing order | 17.2 % |
| A010062 | a(0)=1; thereafter a(n+1) = a(n) + number of 1's in binary representation of a(n) | 23.9 % |
| A010063 | a(n+1) = a(n) + sum of digits in base 3 representation of a(n), with a(0) = 1 | 22.3 % |
| A010064 | Base 4 self or Colombian numbers (not of form k + sum of base 4 digits of k) | 19.2 % |
| A010065 | a(n+1) = a(n) + sum of digits in base 4 representation of a(n), with a(0) = 1 | 18.3 % |
| A010066 | a(n+1) = a(n) + sum of digits in base 5 representation of a(n) | 19.9 % |
| A010067 | Base 6 self or Colombian numbers (not of form k + sum of base 6 digits of k) | 20.8 % |
| A010068 | a(n+1) = a(n) + sum of digits in base 6 representation of a(n) | 16.9 % |
| A010069 | a(n+1) = a(n) + sum of digits in base 7 representation of a(n) | 15.9 % |
| A010070 | Base 8 self or Colombian numbers (not of form k + sum of base 8 digits of k) | 22.9 % |
| A010071 | a(n+1) = a(n) + sum of digits in base 8 representation of a(n) | 15.9 % |
| A010072 | a(n+1) = a(n) + sum of digits in base 9 representation of a(n) | 17.8 % |
| A011531 | Numbers that contain a digit 1 in their decimal representation | 11.1 % |
| A011532 | Numbers that contain a 2 | 11.4 % |
| A011533 | Numbers that contain a 3 | 12.7 % |
| A011534 | Numbers that contain a 4 | 11.5 % |
| A011535 | Numbers that contain a 5 | 10.8 % |
| A011536 | Numbers that contain a 6 | 12.0 % |
| A011537 | Numbers that contain at least one 7 | 13.6 % |
| A011538 | Numbers that contain an 8 | 11.2 % |
| A011539 | "9ish numbers": decimal representation contains at least one nine | 13.6 % |
| A011540 | Numbers that contain a digit 0 | 8.8 % |
| A014190 | Palindromes in base 3 (written in base 10) | 84.2 % |
| A014192 | Palindromes in base 4 (written in base 10) | 83.2 % |
| A014261 | Numbers that contain odd digits only | 17.4 % |
| A014263 | Numbers that contain even digits only | 11.1 % |
| A015976 | One iteration of Reverse and Add is needed to reach a palindrome | 10.7 % |
| A015977 | Two iterations of Reverse and Add are needed to reach a palindrome | 13.0 % |
| A015979 | Three iterations of Reverse and Add are needed to reach a palindrome | 16.2 % |
| A015980 | Four iterations of Reverse and Add are needed to reach a palindrome | 20.4 % |
| A015982 | Five iterations of Reverse and Add are needed to reach a palindrome | 21.0 % |
| A015984 | Six iterations of Reverse and Add are needed to reach a palindrome | 23.8 % |
| A016038 | Strictly non-palindromic numbers: n is not palindromic in any base b with 2 <= b <= n-2 | 43.1 % |
| A016052 | a(1) = 3; for n >= 1, a(n+1) = a(n) + sum of its digits | 14.7 % |
| A016096 | a(n+1) = a(n) + sum of its digits, with a(1) = 9 | 17.4 % |
| A019506 | Hoax numbers: composite numbers whose digit-sum equals the sum of the digit-sums of its distinct prime factors | 27.5 % |
| A019550 | a(n) is the concatenation of n and 2n | 100.0 % |
| A019551 | a(n) is the concatenation of n and 3n | 100.0 % |
| A019552 | a(n) is the concatenation of n and 4n | 100.0 % |
| A019553 | a(n) is the concatenation of n and 5n | 100.0 % |
| A020899 | Numbers k with an odd number of terms in their Zeckendorf representation (write k as a sum of non-consecutive distinct Fibonacci numbers) | 13.0 % |
| A023692 | Numbers with a single 1 in their ternary expansion | 23.5 % |
| A023699 | Numbers with a single 2 in their ternary expansion | 16.8 % |
| A023705 | Numbers with no 0's in base-4 expansion | 12.2 % |
| A023706 | Numbers with a single 0 in their base 4 expansion | 12.5 % |
| A023709 | Numbers with no 1's in their base 4 expansion | 13.8 % |
| A023710 | Numbers with a single 1 in their base 4 expansion | 15.9 % |
| A023713 | Numbers with no 2's in their base 4 expansion | 14.2 % |
| A023714 | Numbers with a single 2 in their base 4 expansion | 13.9 % |
| A023717 | Numbers with no 3's in base-4 expansion | 7.8 % |
| A023718 | Numbers with a single 3 in their base 4 expansion | 9.9 % |
| A023721 | Numbers with no 0's in their base-5 expansion | 10.3 % |
| A023722 | Numbers with a single 0 in their base 5 expansion | 10.6 % |
| A023725 | Numbers with no 1's in their base-5 expansion | 13.0 % |
| A023726 | Numbers with a single 1 in their base 5 expansion | 15.1 % |
| A023729 | Numbers with no 2's in their base-5 expansion | 13.3 % |
| A023730 | Numbers with a single 2 in their base 5 expansion | 15.0 % |
| A023733 | Numbers with no 3's in base-5 expansion | 6.9 % |
| A023734 | Numbers with a single 3 in their base-5 expansion | 8.1 % |
| A023738 | Numbers with a single 4 in their base 5 expansion | 12.4 % |
| A028373 | Numbers that have only the straight digits {1, 4, 7} | 18.0 % |
| A028374 | Numbers that have only curved digits {0, 3, 6, 8, 9} or digits that are both curved and linear {2, 5} | 13.9 % |
| A028834 | Numbers whose sum of digits is a prime | 10.7 % |
| A028835 | Numbers whose iterated sum of digits is a prime | 12.2 % |
| A028838 | Numbers whose sum of digits is a power of 2 | 27.0 % |
| A028839 | Sum of digits of n is a square | 25.2 % |
| A028840 | Numbers k such that sum of digits of k is a Fibonacci number | 24.0 % |
| A028846 | Numbers whose product of digits is a power of 2 | 5.2 % |
| A029581 | Numbers in which all digits are composite | 13.7 % |
| A029730 | Numbers that are palindromic in base 16 | 76.2 % |
| A029742 | Nonpalindromic numbers | 9.6 % |
| A029803 | Numbers that are palindromic in base 8 | 84.9 % |
| A029952 | Palindromic in base 5 | 78.4 % |
| A029953 | Palindromic in base 6 | 83.2 % |
| A029954 | Palindromic in base 7 | 77.1 % |
| A029955 | Palindromic in base 9 | 79.6 % |
| A029956 | Numbers that are palindromic in base 11 | 75.4 % |
| A029957 | Numbers that are palindromic in base 12 | 79.5 % |
| A029958 | Numbers that are palindromic in base 13 | 80.8 % |
| A029959 | Numbers that are palindromic in base 14 | 83.4 % |
| A029960 | Numbers that are palindromic in base 15 | 80.0 % |
| A030141 | Numbers in which parity of the decimal digits alternates | 14.3 % |
| A030143 | Even numbers in which parity of digits alternates | 9.6 % |
| A030457 | Numbers k such that k concatenated with k+1 is prime | 26.2 % |
| A031177 | Unhappy numbers: numbers having period-8 2-digitized sequences | 10.4 % |
| A031955 | Numbers with exactly two distinct base-10 digits | 22.9 % |
| A032810 | Numbers using only digits 2 and 3 | 12.4 % |
| A032822 | Numbers whose set of base-10 digits is {1,4} | 14.7 % |
| A032834 | Numbers with digits 3 and 4 only | 6.3 % |
| A032917 | Numbers having only digits 1 and 3 in their decimal representation | 14.0 % |
| A032924 | Numbers whose ternary expansion contains no 0 | 4.9 % |
| A032981 | Positive numbers with the property that all pairs of consecutive base-10 digits differ by 0 or 1 | 11.7 % |
| A033298 | a(n+1) = a(n) + sum of digits of a(n)^2, with a(1) = 1 | 32.1 % |
| A034048 | Numbers with multiplicative digital root value 0 | 10.2 % |
| A034709 | Numbers divisible by their last digit | 15.2 % |
| A034837 | Numbers that are divisible by the first, i.e., the leftmost, digit | 9.2 % |
| A034838 | Numbers k that are divisible by every digit of k | 14.7 % |
| A035333 | Concatenation of two or more consecutive positive integers | 99.9 % |
| A036301 | Numbers whose sum of even digits and sum of odd digits are equal | 28.8 % |
| A036435 | Digits are nonzero squares | 18.1 % |
| A037301 | Numbers whose base-2 and base-3 expansions have the same digit sum | 17.9 % |
| A037308 | Numbers whose base-2 and base-10 expansions have the same digit sum | 21.3 % |
| A037372 | Positive numbers k such that every base-2 digit of k is a base-3 digit of k | 9.5 % |
| A037373 | Positive numbers k such that every base-2 digit of k is a base-4 digit of k | 9.7 % |
| A037374 | Positive numbers k such that every base-2 digit of k is a base-5 digit of k | 10.0 % |
| A037380 | Numbers whose base-3 digits are all present among their base-4 digits | 9.7 % |
| A037386 | Every base 3 digit of n is a base 10 digit of n | 14.1 % |
| A038366 | n is divisible by (product of digits) + (sum of digits) | 19.4 % |
| A038367 | Numbers n with property that (product of digits of n) is divisible by (sum of digits of n) | 11.8 % |
| A038368 | n is divisible by |(product of digits) - (sum of digits)| | 19.5 % |
| A038770 | Numbers divisible by at least one of their digits | 11.1 % |
| A038772 | Numbers not divisible by any of their digits | 10.9 % |
| A039004 | Numbers whose base-4 representation has the same number of 1's and 2's | 10.8 % |
| A043096 | Numbers in which every pair of adjacent digits are distinct | 9.7 % |
| A043489 | Numbers having one 0 in base 10 | 9.9 % |
| A043493 | Numbers that contain a single 1 | 11.3 % |
| A045926 | All digits even and nonzero | 11.2 % |
| A046030 | Numbers whose digits are squares | 15.6 % |
| A046031 | Digits are cubes | 15.8 % |
| A046034 | Numbers whose digits are primes | 17.3 % |
| A046758 | Equidigital numbers | 16.2 % |
| A046759 | Economical numbers: write n as a product of primes raised to powers, let D(n) = number of digits in product, l(n) = number of digits in n; sequence gives n such that D(n) < l(n) | 41.2 % |
| A046760 | Wasteful numbers | 11.5 % |
| A047791 | Numbers n such that n plus digit sum of n (A007953) equals a prime | 19.9 % |
| A050695 | Composite numbers k such that none of the prime factors of k is a substring of k | 14.1 % |
| A050813 | Numbers n not palindromic in any base b, 2 <= b <= 10 | 9.8 % |
| A051004 | Numbers divisible both by their individual digits and by the sum of their digits | 19.3 % |
| A052018 | Numbers k with the property that the sum of the digits of k is a substring of k | 20.5 % |
| A052026 | Composites base 10 that remain composite in all bases b, 2<=b<=10, expansions interpreted as decimal numbers | 11.6 % |
| A052040 | Numbers whose square is zeroless | 12.2 % |
| A052044 | Numbers k such that k^3 lacks the digit zero in its decimal expansion | 15.7 % |
| A052223 | Numbers whose sum of digits is 9 | 13.0 % |
| A052382 | Numbers without 0 in the decimal expansion, colloquial 'zeroless numbers' | 10.5 % |
| A052383 | Numbers without 1 as a digit | 9.3 % |
| A052404 | Numbers without 2 as a digit | 10.4 % |
| A052405 | Numbers without 3 as a digit | 8.1 % |
| A052406 | Numbers without 4 as a digit | 10.5 % |
| A052413 | Numbers without 5 as a digit | 9.6 % |
| A052414 | Numbers without 6 as a digit | 13.1 % |
| A052419 | Numbers without 7 as a digit | 11.9 % |
| A052421 | Numbers without 8 as a digit | 8.0 % |
| A053432 | Numbers with digits in alphabetical order (in English) | 15.7 % |
| A054211 | Numbers k such that k concatenated with k-1 is prime | 26.3 % |
| A054683 | Numbers whose sum of digits is even | 10.1 % |
| A054684 | Numbers whose sum of digits is odd | 11.0 % |
| A056524 | Palindromes with even number of digits | 94.5 % |
| A057104 | The non-octal numbers: numbers containing an 8 or 9 (they cannot be mistaken for octal numbers) | 9.5 % |
| A057436 | Contains digits 1 through 6 only | 11.5 % |
| A058369 | Numbers k such that k and k^2 have same digit sum | 33.8 % |
| A059094 | Numbers whose sum of digits is a cube | 11.1 % |
| A059708 | Numbers k such that all digits have same parity | 15.5 % |
| A060874 | Intrinsic 4-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base | 29.2 % |
| A060879 | Intrinsic 9-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base | 59.9 % |
| A060947 | Intrinsic 10-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base | 82.3 % |
| A061384 | Numbers n such that sum of digits = number of digits | 23.8 % |
| A061426 | Geometric mean of the digits = 2. In other words, the product of the digits is = 2^k where k is the number of digits | 26.9 % |
| A062713 | Numbers k such that the sum of the digits of k is a prime factor of k | 33.5 % |
| A062996 | Numbers whose sum of digits is greater than or equal to its product of digits | 8.9 % |
| A062997 | Numbers whose sum of digits is strictly greater than its product of digits | 8.9 % |
| A062998 | Numbers whose sum of digits is less than or equal to its product of digits | 10.5 % |
| A064150 | Numbers divisible by the sum of their ternary digits | 19.7 % |
| A064481 | Numbers which are divisible by the sum of their base-5 digits | 18.6 % |
| A064700 | Numbers k that are divisible by the multiplicative digital root of k | 20.7 % |
| A065877 | Non-Niven (or non-Harshad) numbers: numbers which are not a multiple of the sum of their digits | 8.3 % |
| A070938 | Harshad numbers which terminate in their digital sum | 25.3 % |
| A072960 | Numbers using only the curved digits 0, 3, 6, 8 and 9 | 13.0 % |
| A072961 | Numbers using only the digits 2 and 5, that are both curved and straight | 15.2 % |
| A074940 | Numbers having at least one 2 in their ternary representation | 9.7 % |
| A079498 | Numbers whose sum of digits in base b gives 0 (mod b), for b = 3 | 16.2 % |
| A080228 | Numbers containing the digits 0, 1, 2, 5 or 8 only | 14.6 % |
| A081605 | Numbers having at least one 0 in their ternary representation | 9.6 % |
| A084544 | Alternate number system in base 4 | 11.2 % |
| A084545 | Alternate number system in base 5 | 12.9 % |
| A084984 | Numbers containing no prime digits | 15.2 % |
| A085370 | Niven (or Harshad) numbers that are not divisible by 3 | 23.6 % |
| A085371 | Non-Niven (or non-Harshad) numbers that are divisible by 3 | 8.3 % |
| A085802 | Numbers whose sum of digits is a semiprime | 13.7 % |
| A092620 | Numbers with exactly one prime digit | 16.5 % |
| A094677 | Sum of digits is divisible by 10 | 24.6 % |
| A095050 | Numbers such that all ten digits are needed to write all positive divisors in decimal representation | 14.3 % |
| A101594 | Numbers with exactly two distinct decimal digits, neither of which is 0 | 22.6 % |
| A101813 | Odd Niven (or Harshad) numbers: odd numbers that are divisible by the sum of their digits | 33.9 % |
| A101814 | Even Niven (or Harshad) numbers: even numbers that are divisible by the sum of their digits | 18.8 % |
| A102487 | Numbers in base-12 representation that can be written with decimal digits | 11.1 % |
| A102491 | Numbers whose base-20 representation can be written with decimal digits | 10.9 % |
| A106039 | Belgian-0 numbers | 16.7 % |
| A106439 | Belgian-1 numbers | 17.9 % |
| A106518 | Belgian-2 numbers | 15.7 % |
| A106596 | Belgian-3 numbers | 17.5 % |
| A107665 | Numbers with semiprime digits (digits 4, 6, 9 only) | 16.2 % |
| A109303 | Numbers k with at least one duplicate base-10 digit (A107846(k) > 0) | 10.7 % |
| A117804 | Natural position of n in the string 12345678910111213... | 10.7 % |
| A118363 | Factorial base Niven (or Harshad) numbers: numbers that are divisible by the sum of their factorial base digits | 22.4 % |
| A118950 | Numbers containing at least one prime digit | 10.2 % |
| A118951 | Numbers containing at least one composite digit | 9.9 % |
| A119735 | Numbers n such that every digit occurs at least once in n^3 | 20.2 % |
| A121022 | Even numbers containing a 2 in their decimal representation | 11.5 % |
| A121030 | Multiples of 10 containing a 10 in their decimal representation | 24.3 % |
| A121032 | Multiples of 12 containing a 12 in their decimal representation | 19.6 % |
| A129845 | Numbers n such that n and 2n share at least one digit | 9.8 % |
| A131835 | Numbers starting with 1 | 8.7 % |
| A132359 | Numbers divisible by the square of their last decimal digit | 22.0 % |
| A134027 | Nonnegative numbers that are palindromes in balanced ternary representation | 93.8 % |
| A136333 | Numbers containing only digits coprime to 10 in their decimal representation | 17.5 % |
| A143164 | Numbers with digitsum 13, in increasing order | 30.9 % |
| A143967 | Numbers containing only digits 3 or 7 in decimal representation | 18.0 % |
| A154314 | Numbers with not more than two distinct digits in ternary representation | 11.4 % |
| A158704 | Nonnegative integers with an even number of even powers of 2 in their base-2 representation | 15.3 % |
| A158705 | Nonnegative integers with an odd number of even powers of 2 in their base-2 representation | 15.0 % |
| A168501 | Numbers without the decimal digits 2, 4 and 6 | 16.1 % |
| A174813 | a(n) = number whose product of digits equals a power of 3 | 20.4 % |
| A176995 | Numbers that can be written as (m + sum of digits of m) for some m | 10.0 % |
| A178361 | Numbers with rounded up arithmetic mean of digits = 1 | 13.8 % |
| A178403 | Numbers containing the rounded up arithmetic mean of their digits at least once, cf. A004427 | 11.7 % |
| A179244 | Numbers that have 4 terms in their Zeckendorf representation | 27.9 % |
| A182175 | Numbers with the property that every pair of adjacent digits sum to a prime number | 14.5 % |
| A202267 | Numbers in which all digits are noncomposites (1, 2, 3, 5, 7) or 0 | 15.7 % |
| A202268 | Numbers in which all digits are neither primes nor zero, i.e., are members of (1, 4, 6, 8, 9) | 15.8 % |
| A214423 | Numbers k palindromic in only one base b, 2 <= b <= 10 | 42.4 % |
| A214584 | Integers whose decimal representation has only digits in {4,5,7} | 11.0 % |
| A227793 | Numbers whose digital sum is a multiple of 5 | 20.3 % |
| A230633 | Numbers n such that m + (sum of digits in base-4 representation of m) = n has exactly one solution | 11.7 % |
| A230634 | Numbers n such that m + (sum of digits in base-4 representation of m) = n has exactly two solutions | 18.1 % |
| A230853 | Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly one solution | 20.3 % |
| A230854 | Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly two solutions | 11.3 % |
| A233010 | In balanced ternary notation, either a palindrome or becomes a palindrome if trailing 0's are omitted | 68.9 % |
| A256290 | Numbers which have only digits 4 and 5 in base 10 | 12.4 % |
| A256291 | Numbers which have only digits 5 and 6 in base 10 | 10.7 % |
| A256292 | Numbers which have only digits 6 and 7 in base 10 | 8.6 % |
| A256340 | Numbers which have only digits 7 and 8 in base 10 | 10.0 % |
| A256601 | Numbers n such that the decimal expansions of both n and n^2 have 1 as smallest digit and 9 as largest digit | 20.2 % |
| A256634 | Numbers n such that the decimal expansions of both n and n^2 have 0 as smallest digit and 7 as largest digit | 22.2 % |
| A257210 | Numbers n such that the decimal expansions of both n and n^2 have 1 as smallest digit and 7 as largest digit | 34.4 % |
| A257211 | Numbers n such that the decimal expansions of both n and n^2 have 1 as smallest digit and 8 as largest digit | 24.2 % |
| A257368 | Numbers n such that the decimal expansions of both n and n^2 have 2 as smallest digit and 8 as largest digit | 31.2 % |
| A268620 | Numbers whose digital sum is a multiple of 4 | 20.2 % |
| A273159 | Numbers whose digit sum is divisible by 7 | 23.2 % |
| A273188 | Numbers whose digit sum is divisible by 8 | 24.8 % |
| A274319 | Numbers whose digit sum is divisible by 6 | 9.0 % |
| A276037 | Numbers using only digits 1 and 5 | 18.4 % |
| A276039 | Numbers using only digits 1 and 7 | 17.2 % |
| A276137 | Numbers without the decimal digits 2, 4, 6 and 8 | 15.5 % |
| A276138 | Numbers without the decimal digits 1, 3, 5 and 7 | 12.9 % |
| A284293 | Numbers using only digits 1 and 6 | 16.5 % |
| A284379 | Numbers k with digits 3 and 5 only | 15.7 % |
| A284380 | Numbers k with digits 5 and 7 only | 15.3 % |
| A284381 | Numbers k with digits 5 and 8 only | 14.2 % |
| A284632 | Numbers n with digits 2 and 6 only | 14.0 % |
| A284633 | Numbers n with digits 3 and 6 only | 11.1 % |
| A307913 | Numbers without the decimal digits 3, 6 and 9 | 11.5 % |
| A343810 | Numbers that contain only the digits 0,4,8 | 10.8 % |
| A365471 | Numbers whose digits are not all primes | 9.6 % |