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A147131
as a simple table
n
a(n)
1
1
2
1
3
1
4
17
5
57
6
277
7
2295
8
39117
9
1059135
10
28274373
11
1087879177
12
69075461955
[1,1,1,17,57,277,2295,39117,1059135,28274373, 1087879177,69075461955]
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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
