A012041 - OEIS

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A012041 as a simple table

n	a(n)
0	1
1	-4
2	76
3	-3312
4	255952
5	-30728512
6	5281229760
7	-1228900532992
8	371761489090816
9	-141763213277045760
10	66504626862819552256
11	-37635004127910391803904
12	25277676503178610861756416

[1,-4,76,-3312,255952,-30728512,5281229760, -1228900532992,371761489090816, -141763213277045760,66504626862819552256, -37635004127910391803904, 25277676503178610861756416]