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) |
|---|---|
| 0 | 16 |
| 1 | 120 |
| 2 | 908 |
| 3 | 7686 |
| 4 | 78032 |
| 5 | 1000488 |
| 6 | 16930560 |
| 7 | 393454160 |
| 8 | 12954016496 |
| 9 | 613773463394 |