Search: id:A080037
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%I A080037
%S A080037 2,4,6,8,9,11,12,14,15,16,18,19,20,22,23,24,25,27,28,29,30,32,33,34,35,
               36,
%T A080037 38,39,40,41,42,44,45,46,47,48,49,51,52,53,54,55,56,58,59,60,61,62,63,
               64,
%U A080037 66,67,68,69,70,71,72,74,75,76,77,78,79,80,81,83,84,85,86,87,88,89,90,
               92
%N A080037 a(0)=2; for n>0, a(n) = n + floor(sqrt(4n-3)) + 2.
%C A080037 a(0)=2, a(1)=4; for n>1, a(n)=a(n-1)+1 if n is already in the sequence, 
               a(n)=a(n-1)+2 otherwise.
%H A080037 B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://www.cs.uwaterloo.ca/
               journals/JIS/index.html">Numerical analogues of Aronson's sequence</
               a>, J. Integer Seqs., Vol. 6 (2003), #03.2.2.
%H A080037 B. Cloitre, N. J. A. Sloane and M. J. Vandermast, <a href="http://arXiv.org/
               abs/math.NT/0305308">Numerical analogues of Aronson's sequence</a> 
               (math.NT/0305308)
%Y A080037 Cf. A000267, A080036.
%Y A080037 Sequence in context: A070089 A069167 A036627 this_sequence A114571 A050091 
               A047294
%Y A080037 Adjacent sequences: A080034 A080035 A080036 this_sequence A080038 A080039 
               A080040
%K A080037 nonn
%O A080037 0,1
%A A080037 N. J. A. Sloane (njas(AT)research.att.com), Mar 14 2003

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