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 | 0 |
| 2 | 85344 |
| 3 | 42330624 |
| 4 | 11170182384 |
| 5 | 1772228014592 |
| 6 | 185359804775712 |
| 7 | 13586256544975872 |
| 8 | 729242357526446712 |
| 9 | 29627257927486958592 |
| 10 | 934817955092922629344 |
| 11 | 23382589365749366429184 |