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 | 365 |
| 2 | 7813 |
| 3 | 58825 |
| 4 | 265721 |
| 5 | 885781 |
| 6 | 2413405 |
| 7 | 5695313 |
| 8 | 12068785 |
| 9 | 23522941 |
| 10 | 42883061 |
| 11 | 74017945 |
| 12 | 122070313 |
| 13 | 193710245 |
| 14 | 297411661 |
| 15 | 443751841 |
| 16 | 645733985 |
| 17 | 919132813 |
| 18 | 1282863205 |
| 19 | 1759371881 |
| 20 | 2375052121 |
| 21 | 3160681525 |
| 22 | 4151882813 |