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 | 1 |
| 4 | 3 |
| 5 | 12 |
| 6 | 3 |
| 7 | 4 |
| 8 | 75 |
| 9 | 294 |
| 10 | 16 |
| 11 | 5 |
| 12 | 384 |
| 13 | 11664 |
| 14 | 16384 |
| 15 | 125 |
| 16 | 6 |
| 17 | 1805 |
| 18 | 367500 |
| 19 | 5647152 |
| 20 | 1640250 |
| 21 | 1296 |
| 22 | 7 |
| 23 | 8100 |
| 24 | 10609215 |
| 25 | 1528823808 |
| 26 | 6291456000 |
| 27 | 259200000 |
| 28 | 16807 |
| 29 | 8 |
| 30 | 35287 |
| 31 | 292626432 |
| 32 | 380008339280 |
| 33 | 18911429680500 |
| 34 | 13556617751088 |
| 35 | 59549251454 |