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A089150
as a simple table
n
a(n)
1
1
2
2
3
2
4
2
5
3
6
4
7
5
8
13
9
28
10
31
11
37
12
58
13
89
14
747
15
1252
[1,2,2,2,3,4,5,13,28,31,37,58,89,747,1252]
