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 | 37 |
| 8 | 891 |
| 9 | 18041 |
| 10 | 337085 |
| 11 | 6076989 |
| 12 | 108331202 |
| 13 | 1937745128 |
| 14 | 35104098525 |
| 15 | 648090669839 |