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 A200502 #6 Feb 07 2025 16:44:07
%S A200502 1,2,8,9,1,6,8,1,2,5,3,8,3,7,6,0,4,2,4,9,4,2,1,5,1,4,6,1,2,0,8,9,2,5,
%T A200502 2,2,4,6,2,9,6,0,6,6,0,9,7,2,0,5,0,6,8,8,1,4,8,4,0,6,8,8,5,1,4,1,3,3,
%U A200502 1,7,6,6,9,5,7,8,1,7,7,7,3,4,4,5,6,9,9,0,5,9,6,1,3,5,5,0,8,0,4
%N A200502 Decimal expansion of least x>0 satisfying 2*x^2-3*x+4=tan(x).
%C A200502 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200502 x=1.28916812538376042494215146120892522462960660...
%t A200502 a = 2; b = -3; c = 4;
%t A200502 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200502 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200502 r = x /. FindRoot[f[x] == g[x], {x, 1.2, 1.3}, WorkingPrecision -> 110]
%t A200502 RealDigits[r] (* A200502 *)
%Y A200502 Cf. A200338.
%K A200502 nonn,cons
%O A200502 1,2
%A A200502 _Clark Kimberling_, Nov 19 2011