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) |
|---|---|
| 2 | 1 |
| 3 | 42 |
| 4 | 1410 |
| 5 | 32326 |
| 6 | 561378 |
| 7 | 8069192 |
| 8 | 101090191 |
| 9 | 1141425811 |
| 10 | 11879179287 |