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 | 1 |
| 2 | 25 |
| 3 | 837 |
| 4 | 5129 |
| 5 | 94375 |
| 6 | 271465 |
| 7 | 3576217 |
| 8 | 3661659 |
| 9 | 484486719 |
| 10 | 2012535795 |
| 11 | 31455148645 |
| 12 | 95748332903 |
| 13 | 145967218799 |
| 14 | 165153427677 |
| 15 | 21465291596581 |
| 16 | 97698929023845 |