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 | 14 |
3 | 6006 |
4 | 140229804 |
5 | 278607172289160 |
6 | 67867669180627125604080 |
7 | 2760171874087743799855959353857200 |
8 | 24486819823897171791550434989846505231774984000 |
9 | 59986874261544072491135645330451363110127974096720977464312000 |