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 | 120 |
| 2 | 14400 |
| 3 | 922768 |
| 4 | 37395816 |
| 5 | 1067023886 |
| 6 | 22985966340 |
| 7 | 392525216516 |
| 8 | 5508176253088 |
| 9 | 65292420643662 |
| 10 | 668174455857788 |
| 11 | 6007915697153117 |
| 12 | 48154648894009693 |
| 13 | 348228115672689236 |
| 14 | 2295175317417878268 |