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 | 36 |
| 4 | 12 |
| 5 | 1 |
| 6 | 1440 |
| 7 | 5760 |
| 8 | 6120 |
| 9 | 2520 |
| 10 | 456 |
| 11 | 36 |
| 12 | 1 |
| 13 | 172800 |
| 14 | 1339200 |
| 15 | 2808000 |
| 16 | 2420640 |
| 17 | 1025280 |
| 18 | 232920 |
| 19 | 29400 |
| 20 | 2040 |
| 21 | 72 |
| 22 | 1 |
| 23 | 36288000 |
| 24 | 471744000 |
| 25 | 1643846400 |
| 26 | 2381702400 |
| 27 | 1745755200 |
| 28 | 721224000 |
| 29 | 178941600 |
| 30 | 27624960 |
| 31 | 2689920 |
| 32 | 163800 |
| 33 | 6000 |