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 | 29 |
| 2 | 519 |
| 3 | 7309 |
| 4 | 88215 |
| 5 | 951049 |
| 6 | 9399615 |
| 7 | 86929081 |
| 8 | 766106895 |
| 9 | 6537612649 |
| 10 | 54701587935 |
| 11 | 452558355481 |
| 12 | 3719467815855 |
| 13 | 30436607366089 |
| 14 | 248242046141055 |
| 15 | 2019169299698041 |
| 16 | 16385984911571535 |
| 17 | 132716292890482729 |