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) |
|---|---|
| 4 | 2 |
| 5 | 8 |
| 6 | 40 |
| 7 | 208 |
| 8 | 1120 |
| 9 | 6200 |
| 10 | 35236 |
| 11 | 204664 |
| 12 | 1210392 |
| 13 | 7266824 |
| 14 | 44184288 |