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 | 2 |
3 | 6 |
4 | 60 |
5 | 600 |
6 | 7680 |
7 | 123480 |
8 | 2212560 |
9 | 47053440 |
10 | 1104092640 |
11 | 29200802400 |
12 | 845985349440 |
13 | 26864561243520 |
14 | 924556913280000 |
15 | 34334318184566400 |
16 | 1367790957223891200 |
17 | 58194757879908249600 |
18 | 2633788044958380710400 |
19 | 126340003102675832870400 |