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 | 0 |
| 1 | 1 |
| 2 | 8 |
| 3 | 36 |
| 4 | 120 |
| 5 | 331 |
| 6 | 801 |
| 7 | 1761 |
| 8 | 3597 |
| 9 | 6931 |
| 10 | 12737 |
| 11 | 22506 |
| 12 | 38479 |
| 13 | 63974 |
| 14 | 103843 |
| 15 | 165109 |
| 16 | 257852 |
| 17 | 396439 |
| 18 | 601229 |
| 19 | 900934 |
| 20 | 1335886 |
| 21 | 1962555 |
| 22 | 2859794 |
| 23 | 4137468 |
| 24 | 5948374 |
| 25 | 8504704 |
| 26 | 12100779 |
| 27 | 17144439 |
| 28 | 24200381 |
| 29 | 34049989 |
| 30 | 47773928 |
| 31 | 66866159 |
| 32 | 93391324 |
| 33 | 130201994 |