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A096365
as a simple table
n
a(n)
1
0
2
2
3
3
4
4
5
5
6
5
7
6
8
6
9
6
10
7
11
7
12
7
13
7
14
8
15
8
16
8
17
8
18
8
19
8
20
8
21
9
[0,2,3,4,5,5,6,6,6,7,7,7,7,8,8,8,8,8,8,8,9]