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 | 0 |
| 4 | 0 |
| 5 | 51012 |
| 6 | 907648 |
| 7 | 7731364 |
| 8 | 43790080 |
| 9 | 208161236 |
| 10 | 769400832 |
| 11 | 2572086036 |
| 12 | 7313685760 |
| 13 | 20221943880 |
| 14 | 49357934976 |