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A140382
as a simple table
n
a(n)
1
3
2
7
3
7
4
11
5
13
6
17
7
19
8
23
9
37
10
41
11
43
12
47
13
67
14
71
15
79
16
83
17
97
[3,7,7,11,13,17,19,23,37,41,43,47,67,71,79,83,97]