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 | 10 |
| 2 | 100 |
| 3 | 684 |
| 4 | 3526 |
| 5 | 14751 |
| 6 | 52591 |
| 7 | 165212 |
| 8 | 468292 |
| 9 | 1218812 |
| 10 | 2951732 |
| 11 | 6721028 |
| 12 | 14507390 |
| 13 | 29883426 |
| 14 | 59065484 |
| 15 | 112531519 |
| 16 | 207449471 |
| 17 | 371243434 |
| 18 | 646728936 |
| 19 | 1099377792 |
| 20 | 1827431562 |
| 21 | 2975775445 |
| 22 | 4754716769 |
| 23 | 7465089922 |
| 24 | 11531438986 |