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 | 31 |
| 1 | 32 |
| 2 | 63 |
| 3 | 95 |
| 4 | 158 |
| 5 | 253 |
| 6 | 1676 |
| 7 | 3605 |
| 8 | 8886 |
| 9 | 136895 |
| 10 | 282676 |
| 11 | 702247 |
| 12 | 4496158 |
| 13 | 5198405 |
| 14 | 9694563 |
| 15 | 14892968 |
| 16 | 24587531 |
| 17 | 39480499 |
| 18 | 2472378469 |
| 19 | 2511858968 |
| 20 | 4984237437 |
| 21 | 7496096405 |
| 22 | 12480333842 |
| 23 | 19976430247 |
| 24 | 132338915324 |
| 25 | 284654260895 |
| 26 | 701647437114 |
| 27 | 10809365817605 |
| 28 | 22320379072324 |