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A056012
as a simple table
n
a(n)
1
1
2
2
3
4
4
6
5
90
6
408
7
5856
8
2200352
9
11524640
10
90200997888
[1,2,4,6,90,408,5856,2200352,11524640,90200997888]
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Last modified September 14 13:32 EDT 2024. Contains 375921 sequences. (Running on oeis4.)