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 | 794220 |
| 4 | 24197608 |
| 5 | 468021427 |
| 6 | 6360047093 |
| 7 | 65713691148 |
| 8 | 549557637814 |
| 9 | 3906417081652 |
| 10 | 24494943831322 |
| 11 | 139244456386154 |
| 12 | 731876847737254 |
| 13 | 3607100658268390 |
| 14 | 16837953991281924 |