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A122739 as a simple table

n a(n)
3 1
4 1
5 6
6 24
7 109
8 477
9 2155
10 9647
11 43621
12 197767
13 901436
14 4125636
15 18964119

[1,1,6,24,109,477,2155,9647,43621,197767,901436,
 4125636,18964119]

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Last modified October 24 18:08 EDT 2021. Contains 348233 sequences. (Running on oeis4.)