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 | 14 |
| 3 | 125 |
| 4 | 135 |
| 5 | 2079 |
| 6 | 21735 |
| 7 | 2730375 |
| 8 | 916352 |
| 9 | 5955200 |
| 10 | 4122495 |
| 11 | 444741759 |
| 12 | 7391633535 |
| 13 | 98228219264 |