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 | 24 |
| 2 | 2268 |
| 3 | 461056 |
| 4 | 160977375 |
| 5 | 85624508376 |
| 6 | 64363893844726 |
| 7 | 64928246784463872 |
| 8 | 84623205378726331245 |
| 9 | 138408056280920732755000 |
| 10 | 277597038523589348539241112 |
| 11 | 670011760601512512626484887040 |