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 | 600 |
| 3 | 17600 |
| 4 | 624600 |
| 5 | 25996608 |
| 6 | 1204834752 |
| 7 | 59701593600 |
| 8 | 3086972400600 |
| 9 | 164324590337600 |
| 10 | 8935798773354816 |
| 11 | 494019944564058624 |
| 12 | 27678350810730366400 |
| 13 | 1567912312203901862400 |
| 14 | 89647910047704725798400 |