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 | 0 |
4 | 6 |
5 | 24 |
6 | 120 |
7 | 720 |
8 | 7560 |
9 | 76608 |
10 | 810432 |
11 | 9141120 |
12 | 118015920 |
13 | 1666336320 |
14 | 25211774016 |
15 | 404932155264 |
16 | 6951992261760 |
17 | 127203705538560 |
18 | 2467434718218240 |
19 | 50477473338494976 |
20 | 1086707769452699904 |
21 | 24573149993692615680 |
22 | 582367494447600583680 |
23 | 14430857455114783119360 |