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 | 4 |
| 2 | 87 |
| 3 | 1556 |
| 4 | 13275 |
| 5 | 65796 |
| 6 | 239087 |
| 7 | 710844 |
| 8 | 1789395 |
| 9 | 4083404 |
| 10 | 8384727 |
| 11 | 16156884 |
| 12 | 29194283 |
| 13 | 50363460 |
| 14 | 82888311 |
| 15 | 132264452 |
| 16 | 204330315 |
| 17 | 306450780 |
| 18 | 450504551 |
| 19 | 647579748 |
| 20 | 913503459 |
| 21 | 1262033828 |
| 22 | 1725350295 |
| 23 | 2318488092 |
| 24 | 3072687971 |