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A036627
as a simple table
n
a(n)
0
0
1
0
2
0
3
1
4
2
5
4
6
6
7
8
8
9
9
11
10
11
11
12
12
11
13
11
14
9
15
8
16
6
17
5
18
3
19
2
20
1
21
1
[0,0,0,1,2,4,6,8,9,11,11,12,11,11,9,8,6,5,3,2,1,1]