A018571
formatted as a simple table:
n
a(n)
1
1
2
2
3
5
4
10
5
13
6
25
7
26
8
50
9
65
10
130
11
325
12
650
[1,2,5,10,13,25,26,50,65,130,325,650]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
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