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 A107340 #4 Mar 31 2012 10:24:15 %S A107340 3,4,6,9,14,25,40,62,89,129,185,271 %N A107340 Number of solutions to rev(x^3)=rev(x)^3 below 10^n. %Y A107340 Cf. A085315. %K A107340 nonn,base %O A107340 1,1 %A A107340 _Martin Renner_, May 22 2005