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A033542 as a simple table

n a(n)
0 0
1 2
2 8
3 504
4 1153152
5 168275764800
6 2407165968578342400
7 4788742737385049982623884800
8 1780642079411485280163076498360356864000
9 159943989198524502594920793284078996733117111490560000
10 4353607386405822605116660595502838129080647848043621660449907712000000 

[0,2,8,504,1153152,168275764800,
 2407165968578342400,4788742737385049982623884800,
 1780642079411485280163076498360356864000,
 15994398919852450259492079328407899673311711149056\
 0000,
 43536073864058226051166605955028381290806478480436\
 21660449907712000000]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)