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) |
|---|---|
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 2 |
| 10 | 3 |
| 11 | 6 |
| 12 | 17 |
| 13 | 37 |
| 14 | 98 |
| 15 | 275 |
| 16 | 797 |
| 17 | 2414 |
| 18 | 7613 |
| 19 | 24510 |
| 20 | 80721 |
| 21 | 270018 |
| 22 | 915034 |