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 | 1 |
| 3 | 68 |
| 4 | 808 |
| 5 | 7784 |
| 6 | 70210 |
| 7 | 624561 |
| 8 | 5559246 |
| 9 | 49787726 |
| 10 | 449315793 |
| 11 | 4086143347 |
| 12 | 37425892724 |
| 13 | 345004813781 |