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 | 6 |
| 2 | 512 |
| 3 | 591360 |
| 4 | 9160359936 |
| 5 | 1897011087409152 |
| 6 | 5244422625774526267392 |
| 7 | 193403358706333224417833779200 |
| 8 | 95098462720808932931887549372170240000 |