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 | 2 |
| 3 | 14 |
| 4 | 1978 |
| 5 | 38209 |
| 6 | 4782974 |
| 7 | 9581014 |
| 8 | 244330711 |
| 9 | 365496202 |
| 10 | 1661392258 |
| 11 | 116084432414 |
| 12 | 288504187458218 |
| 13 | 490179448388654 |
| 14 | 802245996685561 |