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A081214
as a simple table
n
a(n)
0
1
1
4
2
12
3
84
4
3948
5
88320
6
815424
7
14652150
[1,4,12,84,3948,88320,815424,14652150]
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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
