This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A183295 #4 Mar 30 2012 18:57:12
%S A183295 1,2,3,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,22,23,24,25,26,27,28,
%T A183295 29,30,31,32,33,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,51,52,53,
%U A183295 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86
%N A183295 Complement of A115067.
%F A183295 (See the Mathematica code.)
%t A183295 a=3/2; b=5/2;
%t A183295 F[n_]:=a*n^2+b*n;
%t A183295 R[n_]:=(n/a+((b-1)/(2a))^2)^(1/2);
%t A183295 G[n_]:=n-1+Ceiling[R[n]-(b-1)/(2a)];
%t A183295 Table[F[n], {n,60}]
%t A183295 Table[G[n], {n,100}]
%Y A183295 Cf. A115067.
%K A183295 nonn
%O A183295 1,2
%A A183295 _Clark Kimberling_, Jan 03 2011