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 A199792 #8 Feb 08 2025 22:31:17
%S A199792 9,5,4,9,5,6,8,5,5,8,6,2,7,9,1,4,3,4,7,2,5,7,1,4,1,1,1,6,0,9,9,5,6,1,
%T A199792 5,7,9,6,4,9,1,2,2,5,0,6,0,6,8,6,8,6,0,5,7,5,9,6,8,5,7,5,2,9,0,3,4,9,
%U A199792 7,4,5,9,0,1,2,0,6,4,9,1,6,2,6,2,7,1,6,3,6,5,7,7,8,1,2,8,5,4,2
%N A199792 Decimal expansion of x>0 satisfying 3*x^2-2*x*cos(x)=2*sin(x).
%C A199792 See A199597 for a guide to related sequences. The Mathematica program includes a graph.
%H A199792 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A199792 0.9549568558627914347257141116099561579649122...
%t A199792 a = 3; b = -2; c = 2;
%t A199792 f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c*Sin[x]
%t A199792 Plot[{f[x], g[x]}, {x, -1, 2}, {AxesOrigin -> {0, 0}}]
%t A199792 r = x /. FindRoot[f[x] == g[x], {x, .95, .96}, WorkingPrecision -> 110]
%t A199792 RealDigits[r] (* A199792 *)
%Y A199792 Cf. A199597.
%K A199792 nonn,cons
%O A199792 0,1
%A A199792 _Clark Kimberling_, Nov 10 2011