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A351391
as a simple table
n
a(n)
3
1
4
2
5
5
6
8
7
8
8
10
9
12
10
15
11
19
12
24
13
28
14
32
15
36
16
40
17
46
18
52
[1,2,5,8,8,10,12,15,19,24,28,32,36,40,46,52]