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 | 1 |
| 2 | 3 |
| 3 | 64 |
| 4 | 636 |
| 5 | 6291 |
| 6 | 62649 |
| 7 | 625491 |
| 8 | 6253329 |
| 9 | 62501692 |
| 10 | 625011152 |
| 11 | 6250052283 |
| 12 | 62500007205 |