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A352177
as a simple table
n
a(n)
1
1
2
2
3
1
4
2
5
1
6
3
7
1
8
1
9
2
10
1
11
1
12
1
13
1
14
1
15
1
16
1
17
1
18
1
19
1
[1,2,1,2,1,3,1,1,2,1,1,1,1,1,1,1,1,1,1]