A234285 - OEIS

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A234285 as a simple table

n	a(n)
1	1
2	5
3	9
4	11
5	13
6	15
7	21
8	23
9	25
10	27
11	29
12	33
13	35
14	37
15	43
16	45

[1,5,9,11,13,15,21,23,25,27,29,33,35,37,43,45]