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A147090
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
5
6
13
7
25
8
51
9
215
10
1059
11
6091
12
34649
13
217439
14
1714483
15
16064320
16
187492557
[1,1,1,1,5,13,25,51,215,1059,6091,34649,217439, 1714483,16064320,187492557]
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Last modified October 1 18:47 EDT 2023. Contains 365828 sequences. (Running on oeis4.)
