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) |
|---|---|
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 3 |
| 13 | 4 |
| 14 | 8 |
| 15 | 15 |
| 16 | 16 |
| 17 | 24 |
| 18 | 33 |
| 19 | 52 |
| 20 | 80 |
| 21 | 120 |
| 22 | 176 |
| 23 | 253 |