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) |
|---|---|
| 2 | 1 |
| 3 | 6 |
| 4 | 35 |
| 5 | 250 |
| 6 | 1986 |
| 7 | 16716 |
| 8 | 144183 |
| 9 | 1271765 |
| 10 | 11378311 |
| 11 | 102956670 |
| 12 | 940224567 |
| 13 | 8651691637 |
| 14 | 80123673992 |