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A084355
as a simple table
n
a(n)
0
1
1
1
2
2
3
6
4
3
5
5
6
5
7
4
8
4
9
3
10
3
11
3
12
3
13
4
14
3
15
3
16
3
17
3
18
3
19
3
20
3
[1,1,2,6,3,5,5,4,4,3,3,3,3,4,3,3,3,3,3,3,3]