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A038171 as a simple table

n a(n)
1 1
2 1
3 3
4 12
5 61
6 407
7 3226
8 28335
9 262091
10 2501168
11 24328920
12 239931556 

[1,1,3,12,61,407,3226,28335,262091,2501168,
 24328920,239931556]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)