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 | 2 |
| 2 | 33 |
| 3 | 431 |
| 4 | 6318 |
| 5 | 72062 |
| 6 | 806674 |
| 7 | 9004550 |
| 8 | 104220797 |
| 9 | 1131743629 |
| 10 | 12266783460 |
| 11 | 131900123107 |
| 12 | 1447662128808 |