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A103091
as a simple table
n
a(n)
1
1
2
3
3
6
4
31
5
36
6
61
7
117
8
229
9
339
10
3165
11
3958
12
5277
13
5343
14
6079
15
6535
16
8485
17
15084
18
34537
[1,3,6,31,36,61,117,229,339,3165,3958,5277,5343, 6079,6535,8485,15084,34537]