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A002853
as a simple table
n
a(n)
1
1
2
3
3
6
4
6
5
10
6
16
7
28
8
28
9
28
10
28
11
28
12
28
13
28
14
28
15
36
16
40
17
48
[1,3,6,6,10,16,28,28,28,28,28,28,28,28,36,40,48]