n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 24 |
4 | 1744 |
5 | 61504 |
6 | 6700992 |
7 | 632723584 |
8 | 106726576384 |
9 | 19137224693760 |
10 | 4819549055104000 |
11 | 1376115921056118784 |
12 | 493566558620424622080 |
13 | 203121814961910275620864 |
14 | 99267625002820837091098624 |
[1,0,4,24,1744,61504,6700992,632723584, 106726576384,19137224693760,4819549055104000, 1376115921056118784,493566558620424622080, 203121814961910275620864, 99267625002820837091098624] |