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 | 10 |
| 3 | 98 |
| 4 | 1594 |
| 5 | 38834 |
| 6 | 1323658 |
| 7 | 60134210 |
| 8 | 3511695322 |
| 9 | 256306614866 |
| 10 | 22861774551466 |
| 11 | 2446866564603362 |
| 12 | 309483997093321210 |
| 13 | 45666236465616727538 |
| 14 | 7774748058886412485834 |