n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 40 |
3 | 1952 |
4 | 177280 |
5 | 25866752 |
6 | 5535262720 |
7 | 1633165156352 |
8 | 635421069967360 |
9 | 315212388819402752 |
10 | 194181169538675507200 |
11 | 145435130631317935357952 |
12 | 130145345400688287667978240 |
13 | 137139396592145493713802493952 |
[0,2,40,1952,177280,25866752,5535262720, 1633165156352,635421069967360,315212388819402752, 194181169538675507200,145435130631317935357952, 130145345400688287667978240, 137139396592145493713802493952] |