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 A197837 #5 Mar 30 2012 18:57:53 %S A197837 3,7,2,8,9,9,1,6,3,4,2,2,3,3,0,9,7,6,9,2,7,0,6,1,1,2,8,5,3,7,3,9,9,4, %T A197837 1,6,0,9,7,5,0,1,1,5,2,1,4,3,3,4,8,3,6,3,0,1,6,9,6,7,6,8,4,4,1,8,2,3, %U A197837 8,2,9,7,6,8,3,3,0,0,9,5,5,2,3,7,4,7,8,0,5,5,5,6,3,3,9,2,7,3,0 %N A197837 Decimal expansion of least x>0 satisfying (cos(x))^2+(sin(3*Pi*x))^2=1. %C A197837 For a discussion and guide to related sequences, see A197739. %e A197837 x=0.37289916342233097692706112853739941609750115... %t A197837 (See the program at A197833.) %Y A197837 Cf. A197739, A197833. %K A197837 nonn,cons %O A197837 0,1 %A A197837 _Clark Kimberling_, Oct 19 2011