n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 8 |
3 | 72 |
4 | 1152 |
5 | 28800 |
6 | 1036800 |
7 | 50803200 |
8 | 3251404800 |
9 | 263363788800 |
10 | 26336378880000 |
11 | 3186701844480000 |
12 | 458885065605120000 |
13 | 77551576087265280000 |
14 | 15200108913103994880000 |
15 | 3420024505448398848000000 |
16 | 875526273394790105088000000 |
17 | 253027093011094340370432000000 |
[2,2,8,72,1152,28800,1036800,50803200,3251404800, 263363788800,26336378880000,3186701844480000, 458885065605120000,77551576087265280000, 15200108913103994880000,3420024505448398848000000, 875526273394790105088000000, 253027093011094340370432000000] |