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A094860
as a simple table
n
a(n)
1
1
2
2
3
2
4
3
5
4
6
6
7
7
8
10
9
14
10
20
11
26
12
36
13
51
14
70
15
96
16
141
[1,2,2,3,4,6,7,10,14,20,26,36,51,70,96,141]