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A123398
as a simple table
n
a(n)
1
1
2
1
3
2
4
2
5
1
6
5
7
2
8
1
9
1
10
1
11
1
12
1
13
1
14
4
15
6
16
1
17
2
18
1
19
4
[1,1,2,2,1,5,2,1,1,1,1,1,1,4,6,1,2,1,4]