n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 24 |
3 | 1 |
4 | 2160 |
5 | 1 |
6 | 120960 |
7 | 1 |
8 | 6048000 |
9 | 1 |
10 | 287400960 |
11 | 1 |
12 | 9153720576000 |
13 | 1 |
14 | 597793996800 |
15 | 1 |
16 | 96035605585920000 |
17 | 1 |
18 | 51090942171709440000 |
19 | 1 |
20 | 8831434289681203200000 |
21 | 1 |
22 | 169213200472701665280000 |
23 | 1 |
[1,3,24,1,2160,1,120960,1,6048000,1,287400960,1, 9153720576000,1,597793996800,1,96035605585920000, 1,51090942171709440000,1,8831434289681203200000,1, 169213200472701665280000,1] |