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 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 120 |
6 | 3600 |
7 | 100800 |
8 | 3024000 |
9 | 99792000 |
10 | 3632428800 |
11 | 145297152000 |
12 | 6351561216000 |
13 | 301699157760000 |
14 | 15487223431680000 |
15 | 854894733428736000 |
16 | 50516506975334400000 |
17 | 3182539939446067200000 |
18 | 212985365178313728000000 |