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A064360
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
4
6
10
7
6
8
20
9
7
10
34
11
11
12
52
13
15
14
9
15
21
16
8
17
27
[1,2,3,5,4,10,6,20,7,34,11,52,15,9,21,8,27]
