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 A088771 #5 Mar 30 2012 17:29:12 %S A088771 11,11,101,1001,10001,124431,1000000001 %N A088771 a(n)=A082776(n+1)/A082776(n). %Y A088771 Cf. A082776, A088771-A088779. %K A088771 base,more,nonn %O A088771 1,1 %A A088771 _Ray Chandler_, Oct 26 2003