%I
%S 2,2,9,8,8,5,3,5,8,2,2,7,7,4,0,3,2,9,5,2,0,6,0,5,9,1,9,6,1,5,3,4,3,3,
%T 3,5,0,8,7,3,9,3,2,2,5,2,2,3,1,3,2,3,3,0,8,3,4,5,5,7,6,0,3,5,8,5,5,5,
%U 9,6,2,5,4,0,0,2,4,3,9,7,6,8,9,5,0,6,4,7,0,4,2,0,0,8,4,0,7,6,7
%N Decimal expansion of x>0 having x^2x=4*sin(x).
%C See A198414 for a guide to related sequences. The Mathematica program includes a graph.
%e x=2.2988535822774032952060591961534333...
%t a = 1; b = 1; c = 4;
%t f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
%t Plot[{f[x], g[x]}, {x, 1, 2.5}]
%t r = x /. FindRoot[f[x] == g[x], {x, 2.29, 2.3}, WorkingPrecision > 110]
%t RealDigits[r] (* A198423 *)
%Y Cf. A198414.
%K nonn,cons
%O 1,1
%A _Clark Kimberling_, Oct 25 2011
