%I A020742
%S A020742 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,
               55,
%T A020742 57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99,101,
               103,
%U A020742 105,107,109,111,113,115,117,119,121,123,125,127,129,131,133,135,137,139
%N A020742 Pisot sequence T(7,9).
%H A020742 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A020742 a(n) = 2n+7. a(n) = 2a(n-1) - a(n-2).
%Y A020742 Subsequence of A005408, A020735. See A008776 for definitions of Pisot 
               sequences.
%Y A020742 Sequence in context: A004169 A066669 A059808 this_sequence A023389 A162018 
               A055741
%Y A020742 Adjacent sequences: A020739 A020740 A020741 this_sequence A020743 A020744 
               A020745
%K A020742 nonn
%O A020742 0,1
%A A020742 David W. Wilson (davidwwilson(AT)comcast.net)