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A075274
as a simple table
n
a(n)
2
2
3
3
4
2
5
5
6
4
7
7
8
16
9
9
10
25
11
55
12
24
13
91
14
196
15
70
[2,3,2,5,4,7,16,9,25,55,24,91,196,70]