n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 15 |
4 | 384 |
5 | 945 |
6 | 46080 |
7 | 135135 |
8 | 10321920 |
9 | 34459425 |
10 | 3715891200 |
11 | 13749310575 |
12 | 1961990553600 |
13 | 7905853580625 |
14 | 1428329123020800 |
15 | 6190283353629375 |
16 | 1371195958099968000 |
17 | 6332659870762850625 |
18 | 1678343852714360832000 |
[1,1,8,15,384,945,46080,135135,10321920,34459425, 3715891200,13749310575,1961990553600, 7905853580625,1428329123020800,6190283353629375, 1371195958099968000,6332659870762850625, 1678343852714360832000] |