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 A176531 #4 Jan 16 2015 18:42:19 %S A176531 1,0,2,4,4,0,4,4,2,4,0,8,5,0,7,5,7,7,3,4,9,5,7,2,6,7,5,6,8,3,9,9,6,8, %T A176531 7,9,9,2,3,7,6,3,5,9,2,8,8,4,0,7,5,1,9,9,2,4,3,7,8,7,7,8,8,1,7,9,0,0, %U A176531 0,2,9,6,2,7,5,0,5,5,0,3,4,5,7,0,9,6,9,2,6,4,4,4,6,6,5,9,7,2,0,8,9,0,1,9,8 %N A176531 Decimal expansion of (10+sqrt(110))/2. %C A176531 Continued fraction expansion of (10+sqrt(110))/2 is A010715 preceded by 10. %e A176531 (10+sqrt(110))/2 = 10.24404424085075773495... %t A176531 RealDigits[(10+Sqrt[110])/2,10,120][[1]] (* _Harvey P. Dale_, Jan 16 2015 *) %Y A176531 Cf. A176221 (decimal expansion of sqrt(110)), A010715 (repeat 4, 10). %K A176531 cons,nonn %O A176531 2,3 %A A176531 _Klaus Brockhaus_, Apr 24 2010