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 A177347 #5 Nov 21 2013 12:50:03 %S A177347 1,4,2,1,9,5,4,4,4,5,7,2,9,2,8,8,7,3,1,0,0,0,2,2,7,4,2,8,1,7,6,2,7,9, %T A177347 3,1,5,7,2,4,6,8,0,5,0,4,8,7,2,2,4,6,4,0,0,8,0,0,7,7,5,2,2,0,5,4,4,2, %U A177347 6,7,1,0,2,6,8,0,1,8,7,5,4,6,0,7,6,7,8,9,4,0,9,0,7,9,3,2,8,0,5,6,4,9,4,0,3 %N A177347 Decimal expansion of (5+sqrt(85))/10. %C A177347 Continued fraction expansion of (5+sqrt(85))/10 is A130196. %e A177347 (5+sqrt(85))/10 = 1.42195444572928873100... %t A177347 RealDigits[(5+Sqrt[85])/10,10,120][[1]] (* _Harvey P. Dale_, Dec 31 2011 *) %Y A177347 Cf. A010536 (decimal expansion of sqrt(85)), A130196 (repeat 1, 2, 2). %K A177347 cons,nonn %O A177347 1,2 %A A177347 _Klaus Brockhaus_, May 07 2010