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 | 10 |
| 3 | 12 |
| 4 | 6 |
| 5 | 336 |
| 6 | 24 |
| 7 | 5952 |
| 8 | 168 |
| 9 | 792 |
| 10 | 496 |
| 11 | 666624 |
| 12 | 270 |
| 13 | 10924032 |
| 14 | 6720 |
| 15 | 7344 |
| 16 | 120 |
| 17 | 3757637632 |
| 18 | 4284 |
| 19 | 45091651584 |
| 20 | 2160 |
| 21 | 79488 |
| 22 | 1820672 |
| 23 | 11544784011264 |
| 24 | 672 |
| 25 | 298080 |
| 26 | 29331456 |
| 27 | 106200 |
| 28 | 13440 |
| 29 | 53620880789471232 |
| 30 | 10080 |
| 31 | 1501384662105194496 |
| 32 | 6552 |
| 33 | 7022592 |
| 34 | 7515275264 |