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) |
|---|---|
| 2 | 399 |
| 3 | 935 |
| 4 | 399 |
| 5 | 935 |
| 6 | 2015 |
| 7 | 935 |
| 8 | 399 |
| 9 | 4991 |
| 10 | 51359 |
| 11 | 2015 |
| 12 | 1584599 |
| 13 | 20705 |
| 14 | 5719 |
| 15 | 18095 |
| 16 | 2915 |
| 17 | 46079 |
| 18 | 162687 |
| 19 | 22847 |
| 20 | 46079 |
| 21 | 16719263 |
| 22 | 12719 |
| 23 | 7055 |
| 24 | 80189 |
| 25 | 104663 |
| 26 | 20705 |
| 27 | 482143 |
| 28 | 196559 |
| 29 | 60059 |
| 30 | 90287 |
| 31 | 162687 |
| 32 | 3441239 |
| 33 | 13971671 |