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A169987
as a simple table
n
a(n)
0
1
1
1
2
0
3
1
4
1
5
1
6
1
7
1
8
2
9
1
10
1
11
1
12
1
13
1
14
0
15
1
16
1
[1,1,0,1,1,1,1,1,2,1,1,1,1,1,0,1,1]
