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A006610
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
2
9
10
10
8
11
60
12
119
13
415
14
826
15
2470
16
5246
17
14944
18
32347
19
84118
[0,0,0,0,0,0,0,2,10,8,60,119,415,826,2470,5246, 14944,32347,84118]