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 | 1 |
2 | 1 |
3 | 6 |
4 | 144 |
5 | 13440 |
6 | 4976640 |
7 | 7390494720 |
8 | 44033145569280 |
9 | 1050540969012756480 |
10 | 100246620373125798297600 |
11 | 38247242364455762072803737600 |
12 | 58346834889692144013481754807500800 |
13 | 355946631376225773365104516210274756198400 |