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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.)