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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 16 |
| 3 | 12 |
| 4 | 7 |
| 5 | 98 |
| 6 | 153 |
| 7 | 169 |
| 8 | 673 |
| 9 | 350 |
| 10 | 107 |
| 11 | 129 |
| 12 | 649 |
| 13 | 2110 |
| 14 | 4763 |
| 15 | 6919 |
| 16 | 6943 |
| 17 | 158299 |
| 18 | 71310 |
| 19 | 724686 |
| 20 | 845223 |
| 21 | 665215 |
| 22 | 2157291 |
| 23 | 4468260 |
| 24 | 5978623 |
| 25 | 34385063 |
| 26 | 21015006 |
| 27 | 301695657 |
| 28 | 489853918 |
| 29 | 568097511 |
| 30 | 418606034 |
| 31 | 1208474114 |