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 | 2 |
| 2 | 9 |
| 3 | 445 |
| 4 | 65685 |
| 5 | 11262113374 |
| 6 | 9373678643933 |
| 7 | 17547676024364306476 |
| 8 | 36020106660104388871845 |