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 | 0 |
| 2 | 3 |
| 3 | 2408 |
| 4 | 1 |
| 5 | 3976 |
| 6 | 608 |
| 7 | 28 |
| 8 | 1 |
| 9 | 88 |
| 10 | 23 |
| 11 | 464658 |
| 12 | 1 |
| 13 | 319924724 |
| 14 | 3 |
| 15 | 7 |
| 16 | 1 |
| 17 | 1628 |
| 18 | 138 |
| 19 | 2219409 |
| 20 | 1 |
| 21 | 6 |
| 22 | 5 |
| 23 | 594 |
| 24 | 1 |
| 25 | 872 |
| 26 | 3 |
| 27 | 92 |
| 28 | 1 |
| 29 | 392 |
| 30 | 65 |
| 31 | 2278155 |
| 32 | 1 |
| 33 | 3755866 |
| 34 | 4793 |
| 35 | 13 |
| 36 | 1 |
| 37 | 7873 |
| 38 | 3 |
| 39 | 614294 |
| 40 | 1 |
| 41 | 448812437 |
| 42 | 5 |