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 | 3 |
| 3 | 2 |
| 4 | 6 |
| 5 | 10 |
| 6 | 6 |
| 7 | 10 |
| 8 | 28 |
| 9 | 54 |
| 10 | 24 |
| 11 | 15 |
| 12 | 60 |
| 13 | 214 |
| 14 | 402 |
| 15 | 120 |
| 16 | 21 |
| 17 | 110 |
| 18 | 594 |
| 19 | 2348 |
| 20 | 3810 |
| 21 | 720 |
| 22 | 28 |
| 23 | 182 |
| 24 | 1334 |
| 25 | 8556 |
| 26 | 32808 |
| 27 | 43776 |
| 28 | 5040 |
| 29 | 36 |
| 30 | 280 |
| 31 | 2614 |