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 | 31 |
| 1 | 32 |
| 2 | 63 |
| 3 | 95 |
| 4 | 158 |
| 5 | 885 |
| 6 | 5468 |
| 7 | 6353 |
| 8 | 37233 |
| 9 | 80819 |
| 10 | 441328 |
| 11 | 522147 |
| 12 | 3574210 |
| 13 | 18393197 |
| 14 | 21967407 |
| 15 | 40360604 |
| 16 | 62328011 |
| 17 | 102688615 |
| 18 | 6429022141 |
| 19 | 6531710756 |
| 20 | 12960732897 |
| 21 | 19492443653 |
| 22 | 32453176550 |