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 A197327 #12 Apr 10 2021 11:32:25
%S A197327 1,7,9,6,4,2,6,1,6,0,2,6,2,7,7,8,6,5,5,3,0,3,2,2,3,6,0,5,7,6,2,6,7,6,
%T A197327 3,0,9,7,4,4,2,9,6,2,4,6,0,4,8,0,9,2,4,6,0,6,7,1,0,6,3,7,4,8,2,6,0,1,
%U A197327 6,7,1,1,3,9,5,4,4,0,2,8,6,8,5,5,3,2,5,4,8,4,3,8,1,7,3,1,6,0,4
%N A197327 Decimal expansion of least x > 0 having sin(x) = sin(Pi*x/4)^2.
%C A197327 The Mathematica program includes a graph. See A197133 for a guide to least x > 0 satisfying sin(b*x) = sin(c*x)^2 for selected b and c.
%e A197327 x=1.79642616026277865530322360576267630...
%t A197327 b = 1; c = Pi/4; f[x_] := Sin[x]
%t A197327 t = x /. FindRoot[f[b*x] == f[c*x]^2, {x, 1.5, 2}, WorkingPrecision -> 200]
%t A197327 RealDigits[t] (* A197327 *)
%t A197327 Plot[{f[b*x], f[c*x]^2}, {x, 0, 2}]
%Y A197327 Cf. A197133.
%K A197327 nonn,cons
%O A197327 1,2
%A A197327 _Clark Kimberling_, Oct 13 2011