A012687 - OEIS

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A012687 as a simple table

n	a(n)
0	1
1	0
2	-12
3	480
4	-18480
5	176640
6	149396544
7	-38742692352
8	6743113079040
9	-363222941859840
10	-455485254371044352
11	322516524038804660224
12	-135316725169663246512128
13	19655917963465137568481280

[1,0,-12,480,-18480,176640,149396544,-38742692352, 6743113079040,-363222941859840, -455485254371044352,322516524038804660224, -135316725169663246512128, 19655917963465137568481280]