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 A081726 #5 Mar 30 2012 18:39:16 %S A081726 1,36,20,117,37,42,70,68,57,139,186,149,119,542,389,135,328,297,327, %T A081726 1055,299,273,782,328,1117,445,1916,1951,493,1148,1238,4156,1616,2328, %U A081726 1003,3106,312,536,3320,383,1470,528,375,3870,555,990,1278,1846,851 %N A081726 Let f(x,y)=floor((1+1/y)^x); sequence gives least k such that f(k+2,n)/f(k,n)=(1+1/n)^2. %Y A081726 Cf. A065560. %K A081726 nonn %O A081726 1,2 %A A081726 _Benoit Cloitre_, Apr 06 2003