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 A199794 #9 Feb 08 2025 22:36:15
%S A199794 1,1,7,5,3,0,5,6,3,4,8,9,1,9,4,3,1,0,3,8,5,3,1,1,5,2,1,6,2,8,7,2,0,2,
%T A199794 9,4,9,7,2,0,4,5,9,1,7,8,4,5,1,0,4,9,8,0,8,4,0,3,5,5,9,9,1,2,2,7,8,0,
%U A199794 4,5,5,5,5,3,6,2,8,7,2,8,5,0,0,8,3,9,3,8,4,5,8,6,2,6,8,1,4,0,0
%N A199794 Decimal expansion of x>0 satisfying 3*x^2-x*cos(x)=4*sin(x).
%C A199794 See A199597 for a guide to related sequences. The Mathematica program includes a graph.
%H A199794 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A199794 1.175305634891943103853115216287202949720...
%t A199794 a = 3; b = -1; c = 4;
%t A199794 f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c*Sin[x]
%t A199794 Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}]
%t A199794 r = x /. FindRoot[f[x] == g[x], {x, 1.17, 1.18}, WorkingPrecision -> 110]
%t A199794 RealDigits[r] (* A199794 *)
%Y A199794 Cf. A199597.
%K A199794 nonn,cons
%O A199794 1,3
%A A199794 _Clark Kimberling_, Nov 10 2011