A009602 - OEIS

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A009602 as a simple table

n	a(n)
0	1
1	2
2	8
3	-64
4	-5632
5	-205184
6	-240640
7	859820032
8	90170851328
9	1502445600768
10	-1320541298393088
11	-272882319216148480
12	-10828284839119028224
13	10466976817322751164416
14	3607763969688114359697408

[1,2,8,-64,-5632,-205184,-240640,859820032, 90170851328,1502445600768,-1320541298393088, -272882319216148480,-10828284839119028224, 10466976817322751164416,3607763969688114359697408]