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) |
|---|---|
| 1 | 0 |
| 2 | 7 |
| 3 | 101 |
| 4 | 864 |
| 5 | 7365 |
| 6 | 63331 |
| 7 | 554839 |
| 8 | 4931118 |
| 9 | 44339730 |
| 10 | 402709395 |
| 11 | 3687732409 |
| 12 | 34007530868 |