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A224221
as a simple table
n
a(n)
0
3
1
5
2
7
3
13
4
29
5
37
6
41
7
61
8
53
9
131
10
43
11
19
12
277
13
379
14
137
15
239
16
79
17
157
18
331
19
71
[3,5,7,13,29,37,41,61,53,131,43,19,277,379,137, 239,79,157,331,71]