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A230503
as a simple table
n
a(n)
3
0
4
1
5
5
6
13
7
15
8
29
9
31
10
33
11
35
12
49
13
52
14
53
15
54
16
56
17
57
18
58
19
59
20
60
21
61
22
62
23
63
24
64
25
65
26
66
27
68
28
70
[0,1,5,13,15,29,31,33,35,49,52,53,54,56,57,58,59, 60,61,62,63,64,65,66,68,70]