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A179738
as a simple table
n
a(n)
2
1
3
2
4
3
5
1
6
4
7
8
8
2
9
4
10
8
11
4
12
2
13
2
14
1
15
4
16
12
17
4
18
2
19
26
[1,2,3,1,4,8,2,4,8,4,2,2,1,4,12,4,2,26]