A018227
formatted as a simple table:
n
a(n)
1
2
2
10
3
18
4
36
5
54
6
86
7
118
[2,10,18,36,54,86,118]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
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