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) |
---|---|
0 | 1 |
1 | 6 |
2 | 120 |
3 | 32640 |
4 | 2147450880 |
5 | 9223372034707292160 |
6 | 170141183460469231722463931679029329920 |
7 | 57896044618658097711785492504343953926464851149359812787997104700240680714240 |