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A085725
as a simple table
n
a(n)
1
6
2
8
3
9
4
14
5
18
6
19
7
21
8
23
9
26
10
34
11
36
12
40
13
48
14
54
15
76
16
88
17
105
18
122
19
135
[6,8,9,14,18,19,21,23,26,34,36,40,48,54,76,88,105, 122,135]