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A236628
as a simple table
n
a(n)
1
2
2
2
3
4
4
2
5
6
6
4
7
12
8
2
9
6
10
4
11
14
12
4
13
6
14
4
15
26
[2,2,4,2,6,4,12,2,6,4,14,4,6,4,26]
