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 | 12 |
| 3 | 88 |
| 4 | 710 |
| 5 | 6054 |
| 6 | 53500 |
| 7 | 484784 |
| 8 | 4475010 |
| 9 | 41902626 |
| 10 | 396838992 |
| 11 | 3793117200 |
| 12 | 36534684066 |