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 A188931 #10 Jul 08 2024 10:40:09 %S A188931 4,1,2,5,1,1,4,1,2,24,1,2,4,2,1,3,8,3,1,2,1,1,1,40,3,1,3,1,3,3,5,14,1, %T A188931 5,3,6,1,9,3,1,1,10,1,2,2,1,1,23,6,4,1,1,4,1,3,21,1,3,4,1,2,1,1,1,1,4, %U A188931 54,8,2,3,1,6,1,6,3,2,32,1,1,4,2,1,1,2,1,1,6,1,4,2,2,1,1,1,3,14,1,11,2,3,6,32,1,1,1,8,1,1,1,3,1,2,1,10,1,4,4,1,2,1 %N A188931 Continued fraction of sqrt(5)+sqrt(6). %C A188931 For a geometric interpretation, see A188640 and A188930. %e A188931 sqrt(5)+sqrt(6)=[4,1,2,5,1,1,4,1,2,24,...]. %t A188931 r = 20^(1/2); t = (r + (4 + r^2)^(1/2))/2; FullSimplify[t] %t A188931 N[t, 130] %t A188931 RealDigits[N[t, 130]][[1]] %t A188931 ContinuedFraction[t, 120] %t A188931 ContinuedFraction[Sqrt[5]+Sqrt[6],120] (* _Harvey P. Dale_, Jun 26 2021 *) %Y A188931 Cf. A188930 (decimal expansion). %K A188931 nonn,cofr %O A188931 0,1 %A A188931 _Clark Kimberling_, Apr 13 2011 %E A188931 Offset changed by _Andrew Howroyd_, Jul 08 2024