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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 8 |
| 6 | 8 |
| 7 | 8 |
| 8 | 64 |
| 9 | 1728 |
| 10 | 1728 |
| 11 | 1728 |
| 12 | 13824 |
| 13 | 13824 |
| 14 | 13824 |
| 15 | 46656000 |
| 16 | 2985984000 |
| 17 | 2985984000 |
| 18 | 2985984000 |
| 19 | 2985984000 |
| 20 | 23887872000 |
| 21 | 221225582592000 |
| 22 | 221225582592000 |
| 23 | 221225582592000 |
| 24 | 1769804660736000 |
| 25 | 221225582592000000 |
| 26 | 221225582592000000 |