n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 24 |
3 | 288 |
4 | 5760 |
5 | 172800 |
6 | 7257600 |
7 | 406425600 |
8 | 29262643200 |
9 | 2633637888000 |
10 | 289700167680000 |
11 | 38240422133760000 |
12 | 5965505852866560000 |
13 | 1085722065221713920000 |
14 | 228001633696559923200000 |
15 | 54720392087174381568000000 |
16 | 14883946647711431786496000000 |
[2,4,24,288,5760,172800,7257600,406425600, 29262643200,2633637888000,289700167680000, 38240422133760000,5965505852866560000, 1085722065221713920000,228001633696559923200000, 54720392087174381568000000, 14883946647711431786496000000] |