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A195931
as a simple table
n
a(n)
0
1
1
1
2
2
3
5
4
16
5
56
6
236
7
998
8
4544
9
20346
[1,1,2,5,16,56,236,998,4544,20346]
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Last modified September 18 18:09 EDT 2024. Contains 376002 sequences. (Running on oeis4.)
