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A104273
as a simple table
n
a(n)
1
1
2
1
3
0
4
1
5
2
6
1
7
1
8
2
9
0
10
0
11
1
12
2
13
3
14
1
15
1
16
1
17
2
18
3
19
0
20
2
21
0
22
1
23
2
24
3
25
1
26
1
27
0
28
1
[1,1,0,1,2,1,1,2,0,0,1,2,3,1,1,1,2,3,0,2,0,1,2,3, 1,1,0,1]