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A074296
as a simple table
n
a(n)
1
1
2
4
3
3
4
4
5
13
6
12
7
28
8
10
9
9
10
13
11
13
12
12
13
13
14
112
15
20
[1,4,3,4,13,12,28,10,9,13,13,12,13,112,20]