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 | 8 |
| 2 | 24 |
| 3 | 80 |
| 4 | 125 |
| 5 | 224 |
| 6 | 2400 |
| 7 | 3024 |
| 8 | 4224 |
| 9 | 4374 |
| 10 | 6655 |
| 11 | 9800 |
| 12 | 10647 |
| 13 | 123200 |
| 14 | 194480 |
| 15 | 336140 |
| 16 | 601425 |
| 17 | 633555 |
| 18 | 709631 |
| 19 | 5142500 |
| 20 | 5909760 |
| 21 | 11859210 |
| 22 | 1611308699 |