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A199676 as a simple table

n a(n)
4 1
5 1
6 3
7 5
8 18
9 57
10 285
11 1513
12 9824
13 69536
14 540622
15 4494676

[1,1,3,5,18,57,285,1513,9824,69536,540622,4494676]

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)