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A302931
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
1
8
1
9
1
10
1
11
2
12
2
13
2
14
3
15
3
16
4
17
4
18
4
19
4
20
5
21
5
22
6
23
6
24
6
25
7
26
7
27
7
28
8
29
8
30
9
31
9
32
10
[0,0,0,0,0,0,1,1,1,1,2,2,2,3,3,4,4,4,4,5,5,6,6,6, 7,7,7,8,8,9,9,10]