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A012538 as a simple table

n a(n)
0 1
1 0
2 -12
3 -240
4 -5040
5 -145920
6 -9256896
7 -1349048064
8 -289962366720
9 -78050616729600
10 -25779840881748992
11 -10375373322500206592
12 -5028804353588061089792
13 -2895752923791276634275840

[1,0,-12,-240,-5040,-145920,-9256896,-1349048064,
 -289962366720,-78050616729600,-25779840881748992,
 -10375373322500206592,-5028804353588061089792,
 -2895752923791276634275840]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)