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A096009
as a simple table
n
a(n)
1
1
2
2
3
2
4
2
5
3
6
4
7
4
8
3
9
4
10
6
11
6
12
4
13
7
14
8
15
6
16
4
17
9
18
8
19
10
20
6
21
8
22
12
23
12
24
6
25
11
26
14
[1,2,2,2,3,4,4,3,4,6,6,4,7,8,6,4,9,8,10,6,8,12,12, 6,11,14]