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 | 784 |
| 4 | 436984 |
| 5 | 3908376 |
| 6 | 13530576 |
| 7 | 30543072 |
| 8 | 54738536 |
| 9 | 85743256 |
| 10 | 123447704 |
| 11 | 167851880 |
| 12 | 218955784 |
| 13 | 276759416 |
| 14 | 341262776 |
| 15 | 412465864 |
| 16 | 490368680 |
| 17 | 574971224 |
| 18 | 666273496 |
| 19 | 764275496 |
| 20 | 868977224 |
| 21 | 980378680 |
| 22 | 1098479864 |
| 23 | 1223280776 |
| 24 | 1354781416 |
| 25 | 1492981784 |
| 26 | 1637881880 |