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 | 0 |
1 | 2 |
2 | 60 |
3 | 3960 |
4 | 505920 |
5 | 111945600 |
6 | 39501498960 |
7 | 20891200176000 |
8 | 15785674348953600 |
9 | 16407441209402496000 |
10 | 22748452701706791576000 |
11 | 41018285140626186366336000 |
12 | 94161166261926730618189824000 |
13 | 270252010494895412092926136320000 |
14 | 954766647796042233397162343121696000 |