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 | 1 |
3 | 10 |
4 | 15180 |
5 | 97199847360 |
6 | 124679879327832253286400 |
7 | 2359315315713931476611812172370616909824000 |
8 | 69427548091550819116702789435220590352184299509517898727953530880000000 |