n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 12 |
4 | 126 |
5 | 1800 |
6 | 33900 |
7 | 782880 |
8 | 21244650 |
9 | 666080520 |
10 | 23658839400 |
11 | 939138631200 |
12 | 41199513686100 |
13 | 1979493215099400 |
14 | 103374687069173520 |
15 | 5830290120994138800 |
16 | 353179917268637208750 |
[2,2,12,126,1800,33900,782880,21244650,666080520, 23658839400,939138631200,41199513686100, 1979493215099400,103374687069173520, 5830290120994138800,353179917268637208750] |