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A317167
as a simple table
n
a(n)
1
1
2
2
3
3
4
3
5
5
6
6
7
9
8
11
9
14
10
16
11
20
12
21
13
27
14
30
15
33
16
36
17
44
18
47
19
55
20
58
21
63
22
67
23
76
24
80
25
89
26
94
[1,2,3,3,5,6,9,11,14,16,20,21,27,30,33,36,44,47, 55,58,63,67,76,80,89,94]