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 | 8 |
| 3 | 195 |
| 4 | 3763 |
| 5 | 47174 |
| 6 | 558842 |
| 7 | 6541723 |
| 8 | 79273100 |
| 9 | 882188472 |
| 10 | 9770202402 |
| 11 | 106927984586 |
| 12 | 1198303968170 |