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) |
|---|---|
| 2 | 1 |
| 3 | 10 |
| 4 | 44 |
| 5 | 135 |
| 6 | 336 |
| 7 | 728 |
| 8 | 1428 |
| 9 | 2598 |
| 10 | 4455 |
| 11 | 7282 |
| 12 | 11440 |
| 13 | 17381 |
| 14 | 25662 |
| 15 | 36960 |
| 16 | 52088 |
| 17 | 72012 |
| 18 | 97869 |
| 19 | 130986 |
| 20 | 172900 |
| 21 | 225379 |
| 22 | 290444 |
| 23 | 370392 |
| 24 | 467820 |
| 25 | 585650 |
| 26 | 727155 |
| 27 | 895986 |
| 28 | 1096200 |
| 29 | 1332289 |
| 30 | 1609210 |
| 31 | 1932416 |
| 32 | 2307888 |
| 33 | 2742168 |
| 34 | 3242393 |
| 35 | 3816330 |
| 36 | 4472412 |
| 37 | 5219775 |