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A076018
as a simple table
n
a(n)
1
1
2
1
3
2
4
3
5
4
6
9
7
34
8
393
9
13980
[1,1,2,3,4,9,34,393,13980]
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Last modified September 22 15:03 EDT 2024. Contains 376114 sequences. (Running on oeis4.)