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 | 1 |
| 1 | 2 |
| 2 | 16 |
| 3 | 164 |
| 4 | 1866 |
| 5 | 22518 |
| 6 | 282184 |
| 7 | 3630256 |
| 8 | 47614214 |
| 9 | 633835642 |
| 10 | 8537220172 |