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A038495
as a simple table
n
a(n)
0
0
1
1
2
1
3
2
4
3
5
5
6
8
7
14
8
24
9
43
10
77
11
140
12
256
13
472
14
874
15
1628
16
3045
17
5719
18
10780
19
20388
[0,1,1,2,3,5,8,14,24,43,77,140,256,472,874,1628, 3045,5719,10780,20388]