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A013639
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
22
6
14887
7
6199216184
8
18181934572391120000418841557
[1,2,3,5,22,14887,6199216184, 18181934572391120000418841557]
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Last modified September 18 17:23 EDT 2024. Contains 376002 sequences. (Running on oeis4.)