Block · 5 sequences
The sequences of the family “block”, 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 |
|---|---|---|
| A004201 | Accept one, reject one, accept two, reject two, .. | 9.4 % |
| A004202 | Skip 1, take 1, skip 2, take 2, skip 3, take 3, etc | 9.3 % |
| A006446 | Numbers k such that floor(sqrt(k)) divides k | 70.0 % |
| A007606 | Take 1, skip 2, take 3, etc | 9.3 % |
| A049039 | Geometric Connell sequence: 1 odd, 2 even, 4 odd, 8 even, .. | 14.3 % |