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 | 51 |
| 2 | 7780 |
| 3 | 153237 |
| 4 | 4773885 |
| 5 | 191586797 |
| 6 | 8045978096 |
| 7 | 340596199800 |
| 8 | 14513602070899 |
| 9 | 621231491393354 |
| 10 | 26619820042892506 |
| 11 | 1141266433540198765 |
| 12 | 48945495491297801080 |
| 13 | 2099487944721769270814 |
| 14 | 90063058254133100176716 |