This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 31 |
| 5 | 1 |
| 6 | 1 |
| 7 | 242 |
| 8 | 242 |
| 9 | 1 |
| 10 | 1 |
| 11 | 992 |
| 12 | 7744 |
| 13 | 992 |
| 14 | 1 |
| 15 | 1 |
| 16 | 3124 |
| 17 | 99968 |
| 18 | 99968 |
| 19 | 3124 |
| 20 | 1 |
| 21 | 1 |
| 22 | 7502 |
| 23 | 756008 |
| 24 | 3099008 |
| 25 | 756008 |
| 26 | 7502 |
| 27 | 1 |
| 28 | 1 |
| 29 | 16806 |
| 30 | 4067052 |
| 31 | 52501944 |
| 32 | 52501944 |
| 33 | 4067052 |
| 34 | 16806 |
| 35 | 1 |
| 36 | 1 |
| 37 | 31744 |
| 38 | 17209344 |
| 39 | 533489664 |
| 40 | 1680062208 |
| 41 | 533489664 |
| 42 | 17209344 |
| 43 | 31744 |