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A005860
as a simple table
n
a(n)
10
1
11
1
12
1
13
1
14
1
15
1
16
2
17
2
18
3
19
4
20
6
21
7
22
11
23
16
24
24
[1,1,1,1,1,1,2,2,3,4,6,7,11,16,24]