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A012102 as a simple table

n a(n)
0 1
1 0
2 4
3 192
4 9616
5 1115392
6 172350528
7 37703053312
8 10989042954496
9 4099556761067520
10 1910734175200936960
11 1087150572502335373312
12 741705342559787764715520
13 597689034047543849712812032 

[1,0,4,192,9616,1115392,172350528,37703053312,
 10989042954496,4099556761067520,
 1910734175200936960,1087150572502335373312,
 741705342559787764715520,
 597689034047543849712812032]

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Last modified September 26 21:54 EDT 2023. Contains 365668 sequences. (Running on oeis4.)