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A093474
as a simple table
n
a(n)
0
0
1
1
2
1
3
3
4
1
5
5
6
3
7
7
8
1
9
9
10
5
11
13
12
3
13
11
14
7
15
15
16
1
17
17
18
9
19
25
20
5
21
21
22
13
23
29
24
3
25
19
26
11
27
27
28
7
[0,1,1,3,1,5,3,7,1,9,5,13,3,11,7,15,1,17,9,25,5, 21,13,29,3,19,11,27,7]