A028251
formatted as a simple table:
n
a(n)
1
3
2
6
3
9
4
12
5
15
6
18
7
22
8
25
9
28
10
31
11
35
12
38
[3,6,9,12,15,18,22,25,28,31,35,38]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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