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 A028508 #11 Feb 14 2014 01:35:59 %S A028508 2,3,9,2,2,4,6,2,1,1,3,1,18,1,6,1,2,1,1,4,1,42,6,1,4,2,3,1,2,6,1,3,4, %T A028508 1,8,1,4,1,2,2,7,1,4,1,1,3,3,1,3,1,1,7,6,1,5,10,2,2,1,8,1,2,16,24,1,6, %U A028508 1,8,1,1,5,1,1,1,1,1,2,1,1 %N A028508 Continued fraction expansion for log_2(5). %F A028508 a(n)=A028232(n), n>1. - _R. J. Mathar_, Oct 23 2008 %t A028508 ContinuedFraction[Log[2,5],80] (* _Harvey P. Dale_, Jun 24 2011 *) %K A028508 nonn %O A028508 1,1 %A A028508 _N. J. A. Sloane_