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 | 8 |
| 2 | 536887296 |
| 3 | 6760803201217232481859791749120 |
| 4 | 301541899055510925582216106793458790276811863115050592580304890195754352640 |