n | a(n) |
---|---|
4 | 8 |
5 | 25 |
6 | 144 |
7 | 735 |
8 | 4608 |
9 | 39285 |
10 | 362000 |
11 | 3628185 |
12 | 40808448 |
13 | 478988081 |
14 | 6227101888 |
15 | 87248724750 |
16 | 1300561920000 |
17 | 20922788404479 |
18 | 355587467242752 |
19 | 6402373698206889 |
20 | 121810906419200000 |
[8,25,144,735,4608,39285,362000,3628185,40808448, 478988081,6227101888,87248724750,1300561920000, 20922788404479,355587467242752,6402373698206889, 121810906419200000] |