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A006607 as a simple table

n a(n)
1 0
2 4
3 120
4 33600
5 18446400
6 18361728000
7 30199104936000
8 76326119565696000
9 280889824362219072000
10 1443428429045578335360000
11 10016498030869925136622080000
12 91330153089556497015273454080000 

[0,4,120,33600,18446400,18361728000,
 30199104936000,76326119565696000,
 280889824362219072000,1443428429045578335360000,
 10016498030869925136622080000,
 91330153089556497015273454080000]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)