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 | 84 |
| 3 | 1953 |
| 4 | 34560 |
| 5 | 7000485 |
| 6 | 354748446 |
| 7 | 77478704205 |
| 8 | 1878528135128 |
| 9 | 48398467146642 |