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A147221
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
15
9
37
10
69
11
139
12
485
13
1489
[1,1,1,1,1,1,1,15,37,69,139,485,1489]
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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)