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A216227
as a simple table
n
a(n)
1
5
2
11
3
13
4
17
5
19
6
23
7
29
8
31
9
37
10
41
11
47
12
53
13
59
14
61
15
67
16
71
17
73
[5,11,13,17,19,23,29,31,37,41,47,53,59,61,67,71, 73]