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 | 1 |
| 1 | 24 |
| 2 | 24192 |
| 3 | 140507136 |
| 4 | 2716743794688 |
| 5 | 132091533948616704 |
| 6 | 13574624941450494738432 |
| 7 | 2619220630292562698311827456 |
| 8 | 870703020893737265865222361448448 |