A007186
formatted as a simple table:
n
a(n)
1
2
2
6
3
11
4
26
5
51
6
106
7
111
8
113
9
261
[2,6,11,26,51,106,111,113,261]
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N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
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