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 | 62480 |
| 2 | 1432640 |
| 3 | 7660880 |
| 4 | 27931280 |
| 5 | 39685376 |
| 6 | 116636864 |
| 7 | 179299575 |
| 8 | 318523136 |
| 9 | 4217802560 |
| 10 | 4494828240 |
| 11 | 4952759175 |
| 12 | 6067699000 |
| 13 | 7775676090 |
| 14 | 12285798525 |
| 15 | 15069863936 |
| 16 | 17358731325 |
| 17 | 20160203840 |
| 18 | 25845386480 |
| 19 | 30293400832 |