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 | 2 |
| 3 | 6 |
| 4 | 24 |
| 5 | 120 |
| 6 | 20 |
| 7 | 108 |
| 8 | 864 |
| 9 | 96 |
| 10 | 960 |
| 11 | 6720 |
| 12 | 624 |
| 13 | 6192 |
| 14 | 37152 |
| 15 | 491232 |
| 16 | 30702 |
| 17 | 1806 |
| 18 | 127 |
| 19 | 1905 |
| 20 | 27348 |
| 21 | 486596 |
| 22 | 25102 |
| 23 | 1890 |
| 24 | 19760 |
| 25 | 456624 |
| 26 | 5581280 |
| 27 | 439712 |
| 28 | 21624 |
| 29 | 451032 |
| 30 | 5199760 |
| 31 | 123954032 |
| 32 | 3966529024 |
| 33 | 123317760 |
| 34 | 3850804224 |
| 35 | 127210628096 |
| 36 | 4070965504 |