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 A176517 #4 Aug 12 2015 17:32:43 %S A176517 9,2,4,3,4,1,6,4,9,0,2,5,2,5,6,8,9,9,7,9,9,8,3,4,0,3,1,6,6,4,9,0,7,7, %T A176517 8,0,0,5,7,9,3,3,2,7,0,8,9,8,7,8,2,5,2,4,0,2,8,6,2,5,7,2,7,9,1,8,8,8, %U A176517 9,1,6,5,7,9,5,8,8,5,7,3,3,2,0,1,6,3,7,2,1,6,2,5,6,8,9,5,0,4,4,2,7,8,1,0,2 %N A176517 Decimal expansion of (9+3*sqrt(10))/2. %C A176517 Continued fraction expansion of (9+3*sqrt(10))/2 is A010714 preceded by 9. %e A176517 (9+3*sqrt(10))/2 = 9.24341649025256899799... %t A176517 RealDigits[(9+3*Sqrt[10])/2,10,120][[1]] (* _Harvey P. Dale_, Aug 12 2015 *) %Y A176517 Cf. A010467 (decimal expansion of sqrt(10)), A010714 (repeat 4, 9). %K A176517 cons,nonn %O A176517 1,1 %A A176517 _Klaus Brockhaus_, Apr 23 2010