n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 24 |
3 | 320 |
4 | 4480 |
5 | 64512 |
6 | 946176 |
7 | 14057472 |
8 | 210862080 |
9 | 3186360320 |
10 | 48432676864 |
11 | 739699064832 |
12 | 11342052327424 |
13 | 174493112729600 |
14 | 2692179453542400 |
15 | 41639042214789120 |
16 | 645405154329231360 |
17 | 10022762396642181120 |
18 | 155909637281100595200 |
[1,2,24,320,4480,64512,946176,14057472,210862080, 3186360320,48432676864,739699064832, 11342052327424,174493112729600,2692179453542400, 41639042214789120,645405154329231360, 10022762396642181120,155909637281100595200] |