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 | 126 |
3 | 126720 |
4 | 494053560 |
5 | 5283068427000 |
6 | 126301275727704000 |
7 | 5896518025761483120000 |
8 | 488276203972584492344880000 |
9 | 66735969985432035804226510800000 |
10 | 14236685931434801591697761172512160000 |
11 | 4533351707244550464920840944132383960960000 |
12 | 2077486542875366717627638783543223150778585600000 |