n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 64 |
5 | 5120 |
6 | 450560 |
7 | 56197120 |
8 | 10877927424 |
9 | 3407830056960 |
10 | 1765179884830720 |
11 | 1528596578057584640 |
12 | 2225354662890778394624 |
13 | 5460264388115266042593280 |
14 | 22602991882128566753395998720 |
15 | 157891665026904821204431467970560 |
[0,0,0,64,5120,450560,56197120,10877927424, 3407830056960,1765179884830720, 1528596578057584640,2225354662890778394624, 5460264388115266042593280, 22602991882128566753395998720, 157891665026904821204431467970560] |