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) |
|---|---|
| 23 | 1 |
| 24 | 0 |
| 25 | 0 |
| 26 | 691 |
| 27 | 3416 |
| 28 | 0 |
| 29 | 233 |
| 30 | 1168 |
| 31 | 0 |
| 32 | 8857 |
| 33 | 18157 |
| 34 | 0 |
| 35 | 2176512 |
| 36 | 3628118 |
| 37 | 0 |
| 38 | 3204865 |
| 39 | 8031495 |
| 40 | 0 |
| 41 | 79514209 |
| 42 | 205927212 |
| 43 | 0 |
| 44 | 5152732369 |
| 45 | 13493840291 |
| 46 | 0 |