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 A081723 #5 Mar 30 2012 18:39:16 %S A081723 13,24,49,67,79,88,102,126,132,162,172,194,199,204,217,234,253,255, %T A081723 261,271,297,320,325,328,338,351,365,377,403,411,414,462,477,482,525, %U A081723 533,537,541,567,569,579,601,613,638,706,740,749,761,762,773,804,809,817 %N A081723 Let b(n)=floor((3/2)^n), c(n)=floor((4/3)^n); sequence gives values of n such that b(n+1)/b(n)=3/2 and c(n+1)/c(n)=4/3. %F A081723 It seems that a(n) is asymptotic to C*n where 12<=C<=13 %Y A081723 Cf. A065554, A065564. %K A081723 nonn %O A081723 1,1 %A A081723 _Benoit Cloitre_, Apr 06 2003