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A000637
as a simple table
n
a(n)
0
1
1
0
2
1
3
2
4
7
5
8
6
37
7
40
8
200
9
258
10
1039
11
1501
12
7629
13
10109
14
54322
15
83975
16
527036
17
780193
18
5808293
[1,0,1,2,7,8,37,40,200,258,1039,1501,7629,10109, 54322,83975,527036,780193,5808293]