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 | 24 |
| 3 | 96 |
| 4 | 72 |
| 5 | 16 |
| 6 | 1 |
| 7 | 576 |
| 8 | 13824 |
| 9 | 50688 |
| 10 | 59904 |
| 11 | 30024 |
| 12 | 7200 |
| 13 | 856 |
| 14 | 48 |
| 15 | 1 |
| 16 | 13824 |
| 17 | 1714176 |
| 18 | 21606912 |
| 19 | 76317696 |
| 20 | 110160576 |
| 21 | 78451200 |
| 22 | 30645504 |
| 23 | 6976512 |
| 24 | 953424 |
| 25 | 78400 |
| 26 | 3760 |
| 27 | 96 |
| 28 | 1 |
| 29 | 331776 |
| 30 | 207028224 |
| 31 | 8190885888 |
| 32 | 74684104704 |
| 33 | 253100173824 |