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) |
|---|---|
| 9 | 1 |
| 10 | 2 |
| 11 | 3 |
| 12 | 10 |
| 13 | 30 |
| 14 | 100 |
| 15 | 371 |
| 16 | 1419 |
| 17 | 5764 |
| 18 | 24482 |
| 19 | 107583 |
| 20 | 487647 |
| 21 | 2271488 |
| 22 | 10847623 |