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A012186 as a simple table

n a(n)
0 1
1 -2
2 24
3 -888
4 60672
5 -6741888
6 1108807296
7 -252757302528
8 76277556436992
9 -29437978293841920
10 14141695133810196480
11 -8275095832054525329408
12 5794473015450853604229120

[1,-2,24,-888,60672,-6741888,1108807296,
 -252757302528,76277556436992,-29437978293841920,
 14141695133810196480,-8275095832054525329408,
 5794473015450853604229120]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)