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 | 8 |
| 2 | 256 |
| 3 | 8480 |
| 4 | 323584 |
| 5 | 14219648 |
| 6 | 712769536 |
| 7 | 40231339520 |
| 8 | 2529742618624 |
| 9 | 175465112250368 |
| 10 | 13316649656713216 |
| 11 | 1097902932846018560 |
| 12 | 97741786751619825664 |
| 13 | 9345711964094187634688 |
| 14 | 955350654371934426628096 |