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A089877
as a simple table
n
a(n)
0
1
1
1
2
0
3
0
4
0
5
5
6
0
7
0
8
0
9
5
10
0
11
10
12
0
13
5
14
0
15
10
16
0
17
45
18
0
19
10
20
0
[1,1,0,0,0,5,0,0,0,5,0,10,0,5,0,10,0,45,0,10,0]