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 | 41584 |
| 2 | 224848 |
| 3 | 3473184 |
| 4 | 4047644 |
| 5 | 6180020 |
| 6 | 6461620 |
| 7 | 31433400 |
| 8 | 58627800 |
| 9 | 23294460 |