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 | 24 |
5 | 0 |
6 | 0 |
7 | 2520 |
8 | 20160 |
9 | 0 |
10 | 604800 |
11 | 19958400 |
12 | 79833600 |
13 | 259459200 |
14 | 25427001600 |
15 | 326918592000 |
16 | 1046139494400 |
17 | 44460928512000 |
18 | 1333827855360000 |
19 | 10306043229081600 |
20 | 125024130975744000 |
21 | 6386367771463680000 |
22 | 101695303941783552000 |
23 | 861733891296165888000 |