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A003178
as a simple table
n
a(n)
0
1
1
1
2
0
3
0
4
1
5
0
6
1
7
1
8
2
9
2
10
6
11
8
12
26
13
45
14
148
15
457
16
2523
17
20786
[1,1,0,0,1,0,1,1,2,2,6,8,26,45,148,457,2523,20786]