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) |
|---|---|
| 6 | 0 |
| 7 | 1 |
| 8 | 7 |
| 9 | 20 |
| 10 | 51 |
| 11 | 117 |
| 12 | 239 |
| 13 | 430 |
| 14 | 724 |
| 15 | 1163 |
| 16 | 1834 |
| 17 | 2823 |
| 18 | 4252 |
| 19 | 6226 |
| 20 | 8870 |
| 21 | 12299 |
| 22 | 16712 |
| 23 | 22340 |
| 24 | 29524 |
| 25 | 38606 |
| 26 | 49979 |
| 27 | 63965 |
| 28 | 80946 |
| 29 | 101250 |
| 30 | 125316 |
| 31 | 153592 |
| 32 | 186694 |
| 33 | 225268 |
| 34 | 270172 |
| 35 | 322285 |
| 36 | 382716 |
| 37 | 452614 |
| 38 | 533380 |
| 39 | 626424 |
| 40 | 733387 |
| 41 | 855881 |
| 42 | 995740 |
| 43 | 1154735 |
| 44 | 1334850 |