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) |
|---|---|
| 6 | 144 |
| 7 | 23796 |
| 8 | 2266368 |
| 9 | 1349587080 |
| 10 | 2312684548704 |