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 | 3 |
| 2 | 13 |
| 3 | 64 |
| 4 | 64 |
| 5 | 3677 |
| 6 | 37096 |
| 7 | 259073 |
| 8 | 2899722 |
| 9 | 88790445 |
| 10 | 1554106234 |
| 11 | 6711446232 |
| 12 | 215580239668 |