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 | 0 |
| 3 | 36 |
| 4 | 1088 |
| 5 | 14220 |
| 6 | 134928 |
| 7 | 1093316 |
| 8 | 8120064 |
| 9 | 57280284 |
| 10 | 391301840 |