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A066015
as a simple table
n
a(n)
1
1
2
1
3
1
4
2
5
2
6
3
7
4
8
6
9
11
10
16
11
19
12
19
13
66
14
35
15
28
[1,1,1,2,2,3,4,6,11,16,19,19,66,35,28]