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A155413
as a simple table
n
a(n)
5
1
6
4
7
13
8
28
9
111
10
502
11
1855
12
7742
13
47738
14
322725
15
2215451
16
20024605
17
210636607
[1,4,13,28,111,502,1855,7742,47738,322725,2215451, 20024605,210636607]
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Last modified September 21 14:48 EDT 2024. Contains 376087 sequences. (Running on oeis4.)
