n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 38 |
5 | 1197 |
6 | 64497 |
7 | 4975742 |
8 | 519665920 |
9 | 70425165645 |
10 | 12012958306121 |
11 | 2518082525423953 |
12 | 636165450001831755 |
[1,0,2,38,1197,64497,4975742,519665920, 70425165645,12012958306121,2518082525423953, 636165450001831755] |