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 | 0 |
2 | 0 |
3 | 18 |
4 | 36 |
5 | 120 |
6 | 24300 |
7 | 192024 |
8 | 1572480 |
9 | 194205600 |
10 | 3380922720 |
11 | 50671716480 |
12 | 4879442177280 |
13 | 144175221440640 |
14 | 3391736273557632 |
15 | 287077095515548800 |
16 | 12328722259931750400 |
17 | 413067654425986560000 |
18 | 33216197499043235527680 |