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A081150
as a simple table
n
a(n)
0
0
1
0
2
1
3
1
4
3
5
6
6
18
7
37
8
95
9
212
10
528
11
1226
12
2936
13
6822
14
16212
15
38081
16
90717
17
215414
18
516358
[0,0,1,1,3,6,18,37,95,212,528,1226,2936,6822, 16212,38081,90717,215414,516358]