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A026823
as a simple table
n
a(n)
1
0
2
1
3
0
4
0
5
1
6
1
7
1
8
1
9
2
10
2
11
3
12
3
13
4
14
5
15
6
16
7
17
9
18
10
19
12
20
15
21
17
22
20
23
24
24
28
25
32
26
38
[0,1,0,0,1,1,1,1,2,2,3,3,4,5,6,7,9,10,12,15,17,20, 24,28,32,38]