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 A176515 #2 Mar 30 2012 17:28:09 %S A176515 9,4,7,4,9,3,7,1,8,5,5,3,3,0,9,9,7,7,3,6,7,2,3,9,9,1,0,5,0,0,6,0,3,0, %T A176515 0,2,5,8,9,0,6,3,2,8,1,8,3,8,4,0,3,0,3,9,5,5,8,8,0,2,3,2,1,9,1,7,4,7, %U A176515 2,6,9,6,3,9,1,3,5,6,5,7,7,0,0,6,3,2,6,5,0,9,8,6,9,2,4,3,5,9,7,6,3,6,0,5,1 %N A176515 Decimal expansion of (9+3*sqrt(11))/2. %C A176515 Continued fraction expansion of (9+3*sqrt(11))/2 is A010699 preceded by 9. %e A176515 (9+3*sqrt(11))/2 = 9.47493718553309977367... %Y A176515 Cf. A010468 (decimal expansion of sqrt(11)), A010699 (repeat 2, 9). %K A176515 cons,nonn %O A176515 1,1 %A A176515 _Klaus Brockhaus_, Apr 23 2010