A034822
formatted as a simple table:
n
a(n)
1
2
2
4
3
8
4
10
5
14
6
18
7
20
8
24
9
30
10
38
11
40
[2,4,8,10,14,18,20,24,30,38,40]
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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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