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A147489
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
25
6
137
7
521
8
6501
9
70441
10
694381
11
20946853
12
656540805
13
20990265609
[1,1,1,1,25,137,521,6501,70441,694381,20946853, 656540805,20990265609]
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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)
