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A338371
as a simple table
n
a(n)
1
13
2
17
3
18
4
19
5
26
6
31
7
37
8
39
9
48
10
49
11
56
12
62
13
65
14
71
15
73
16
79
17
81
18
84
19
91
20
93
21
94
22
97
23
103
[13,17,18,19,26,31,37,39,48,49,56,62,65,71,73,79, 81,84,91,93,94,97,103]