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 | 902880 |
| 2 | 1534680 |
| 3 | 361674720 |
| 4 | 767685600 |
| 5 | 4530770640 |
| 6 | 4941414720 |
| 7 | 5405788800 |
| 8 | 5517818880 |
| 9 | 16993944000 |
| 10 | 20429240832 |
| 11 | 94820077440 |