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 | 0 |
| 1 | 12 |
| 2 | 33 |
| 3 | 50 |
| 4 | 421 |
| 5 | 422 |
| 6 | 2187 |
| 7 | 15554 |
| 8 | 42483 |
| 9 | 42485 |
| 10 | 42486 |
| 11 | 1522085 |
| 12 | 2662514 |
| 13 | 6855863 |
| 14 | 6855865 |