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A353141
as a simple table
n
a(n)
1
3
2
5
3
7
4
71
5
379
6
1093
7
2659
8
3511
9
110057537
10
47004625957
11
76843523891
[3,5,7,71,379,1093,2659,3511,110057537, 47004625957,76843523891]