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) |
|---|---|
| 15 | 1 |
| 16 | 2 |
| 17 | 10 |
| 18 | 24 |
| 19 | 92 |
| 20 | 230 |
| 21 | 767 |
| 22 | 2006 |
| 23 | 6037 |
| 24 | 16133 |
| 25 | 45868 |
| 26 | 122539 |