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A064530
as a simple table
n
a(n)
1
1
2
2
3
0
4
1
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
1
16
1
17
1
18
1
19
0
20
0
21
0
22
0
23
0
24
0
25
0
26
0
[1,2,0,1,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0, 0,0]