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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 8 |
| 4 | 456 |
| 5 | 2896 |
| 6 | 9216 |
| 7 | 20648 |
| 8 | 37472 |
| 9 | 59524 |
| 10 | 86656 |
| 11 | 118868 |
| 12 | 156160 |
| 13 | 198532 |
| 14 | 245984 |
| 15 | 298516 |
| 16 | 356128 |
| 17 | 418820 |
| 18 | 486592 |
| 19 | 559444 |
| 20 | 637376 |
| 21 | 720388 |
| 22 | 808480 |
| 23 | 901652 |
| 24 | 999904 |
| 25 | 1103236 |
| 26 | 1211648 |
| 27 | 1325140 |
| 28 | 1443712 |
| 29 | 1567364 |
| 30 | 1696096 |
| 31 | 1829908 |
| 32 | 1968800 |
| 33 | 2112772 |