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A008938
as a simple table
n
a(n)
1
1
2
6
3
7
4
7
5
7
6
14
7
21
8
21
9
21
10
27
11
28
12
28
13
32
14
32
[1,6,7,7,7,14,21,21,21,27,28,28,32,32]
