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A180323
as a simple table
n
a(n)
1
2
2
5
3
6
4
11
5
15
6
17
7
29
8
33
9
41
10
42
11
43
12
51
13
53
14
58
15
62
16
65
17
69
18
82
19
85
20
86
21
89
22
93
[2,5,6,11,15,17,29,33,41,42,43,51,53,58,62,65,69, 82,85,86,89,93]