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A007192
as a simple table
n
a(n)
1
0
2
1
3
2
4
4
5
5
6
6
7
8
8
12
9
10
10
12
11
13
12
15
13
18
14
21
15
24
16
32
17
22
18
23
19
25
20
26
21
28
22
31
[0,1,2,4,5,6,8,12,10,12,13,15,18,21,24,32,22,23, 25,26,28,31]