%I A080036
%S A080036 1,3,5,6,8,9,10,12,13,14,15,17,18,19,20,21,23,24,25,26,27,28,30,31,32,
               33,
%T A080036 34,35,36,38,39,40,41,42,43,44,45,47,48,49,50,51,52,53,54,55,57,58,59,
               60,
%U A080036 61,62,63,64,65,66,68,69,70,71,72,73,74,75,76,77,78,80,81,82,83,84,85,
               86
%N A080036 n + round(sqrt(2*n)) + 1.
%C A080036 a(0)=1, a(1)=3; for n>1, a(n)=a(n-1)+1 if n is already in the sequence, 
               a(n)=a(n-1)+2 otherwise.
%C A080036 Sequence (without first term) is complement of A000124 (central polygonal 
               numbers). [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Jun 
               16 2009]
%H A080036 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 A080036 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)
%F A080036 a(n) = A003057(n+1) + n. [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), 
               Jun 16 2009]
%Y A080036 Equals A014132 + 1. Cf. A080037.
%Y A080036 Different from A105206.
%Y A080036 Sequence in context: A094058 A121882 A105206 this_sequence A165290 A026430 
               A002150
%Y A080036 Adjacent sequences: A080033 A080034 A080035 this_sequence A080037 A080038 
               A080039
%K A080036 nonn
%O A080036 0,2
%A A080036 N. J. A. Sloane (njas(AT)research.att.com), Mar 14 2003