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 | 7 |
| 3 | 169 |
| 4 | 14911 |
| 5 | 4925281 |
| 6 | 6195974527 |
| 7 | 30074093255809 |
| 8 | 568640725896660991 |
| 9 | 42170765737391337500161 |
| 10 | 12325140160135610565932361727 |
| 11 | 14244006984657003076298588475598849 |