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A045990
as a simple table
n
a(n)
1
1
2
3
3
16
4
185
5
5646
6
533022
7
173663176
[1,3,16,185,5646,533022,173663176]
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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)