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 | 1 |
| 3 | 49 |
| 4 | 64 |
| 5 | 2401 |
| 6 | 21904 |
| 7 | 118336 |
| 8 | 5764801 |
| 9 | 1297152256 |
| 10 | 22880797696 |
| 11 | 149429406721 |
| 12 | 3114293149696 |
| 13 | 33232930569601 |
| 14 | 2203546857570304 |
| 15 | 3418922510231809 |