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A046997
as a simple table
n
a(n)
1
0
2
1
3
1
4
9
5
33
6
187
7
847
8
4911
9
25849
[0,1,1,9,33,187,847,4911,25849]
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Last modified April 23 07:11 EDT 2024. Contains 371905 sequences. (Running on oeis4.)
