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A066587
as a simple table
n
a(n)
1
3
2
5
3
11
4
13
5
19
6
21
7
27
8
29
9
35
10
37
11
43
12
45
13
51
14
53
15
59
16
61
17
67
18
69
19
75
20
77
21
83
22
85
23
91
24
93
[3,5,11,13,19,21,27,29,35,37,43,45,51,53,59,61,67, 69,75,77,83,85,91,93]