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 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 13 |
| 13 | 79 |
| 14 | 365 |
| 15 | 1366 |
| 16 | 4369 |
| 17 | 12377 |
| 18 | 31825 |
| 19 | 75583 |
| 20 | 167961 |
| 21 | 352718 |
| 22 | 705466 |
| 23 | 1352585 |
| 24 | 2501205 |
| 25 | 4495351 |
| 26 | 7956391 |
| 27 | 14221936 |
| 28 | 26802361 |
| 29 | 56058016 |
| 30 | 133316626 |
| 31 | 350785307 |
| 32 | 967683665 |
| 33 | 2677259721 |
| 34 | 7246005881 |
| 35 | 18977267621 |
| 36 | 47931495649 |