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A012093 as a simple table

n a(n)
0 1
1 -2
2 32
3 -1224
4 89984
5 -10705408
6 1889967232
7 -464238999808
8 151661217091584
9 -63641246944645120
10 33381024310383640576
11 -21408234533329528127488
12 16485197581627921671815168

[1,-2,32,-1224,89984,-10705408,1889967232,
 -464238999808,151661217091584,-63641246944645120,
 33381024310383640576,-21408234533329528127488,
 16485197581627921671815168]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)