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A154351
as a simple table
n
a(n)
2
2
3
1
4
1
5
2
6
2
7
1
8
1
9
2
10
2
11
1
12
1
13
1
14
3
15
2
16
2
17
1
18
1
19
1
[2,1,1,2,2,1,1,2,2,1,1,1,3,2,2,1,1,1]