n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 40 |
3 | 1192 |
4 | 87680 |
5 | 9890432 |
6 | 1736725120 |
7 | 424537276672 |
8 | 139089326735360 |
9 | 58613115790118912 |
10 | 30905365440751206400 |
11 | 19924657840958605361152 |
12 | 15419390055940961625866240 |
13 | 14105236549373087746555707392 |
[1,2,40,1192,87680,9890432,1736725120, 424537276672,139089326735360,58613115790118912, 30905365440751206400,19924657840958605361152, 15419390055940961625866240, 14105236549373087746555707392] |