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A217754
as a simple table
n
a(n)
3
0
4
0
5
0
6
0
7
1
8
1
9
2
10
2
11
4
12
3
13
4
14
4
15
4
16
4
17
5
[0,0,0,0,1,1,2,2,4,3,4,4,4,4,5]
