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A006400
as a simple table
n
a(n)
3
1
4
1
5
2
6
5
7
11
8
33
9
117
10
431
11
1755
12
7485
[1,1,2,5,11,33,117,431,1755,7485]
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Last modified May 1 17:43 EDT 2024. Contains 372175 sequences. (Running on oeis4.)
