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 A176397 #7 Sep 25 2013 08:57:44 %S A176397 6,1,9,3,7,4,3,8,8,4,5,3,4,2,6,2,3,9,9,8,1,4,0,4,9,0,3,5,3,9,6,1,2,2, %T A176397 7,6,8,3,1,3,4,6,9,9,4,0,8,7,5,0,8,5,3,3,4,6,4,7,3,6,7,5,2,9,2,1,2,4, %U A176397 7,8,9,0,5,1,7,5,2,6,8,5,8,4,5,6,9,3,1,2,4,6,2,2,8,5,1,6,7,8,3,8,7,5,1,8,4 %N A176397 Decimal expansion of (15+sqrt(255))/5. %C A176397 Continued fraction expansion of (15+sqrt(255))/5 is A010717 preceded by 6, or equivalently A010717(n+1). %H A176397 Vincenzo Librandi, <a href="/A176397/b176397.txt">Table of n, a(n) for n = 1..1000</a> %e A176397 (15+sqrt(255))/5 = 6.19374388453426239981... %t A176397 RealDigits[(15 + Sqrt[255])/5, 10, 100][[1]] %t A176397 (* _Vincenzo Librandi_, Sep 24 2013 *) %Y A176397 Cf. A176110 (decimal expansion of sqrt(255)), A010717 (repeat 5, 6). %K A176397 cons,nonn %O A176397 1,1 %A A176397 _Klaus Brockhaus_, Apr 16 2010