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 A200486 #6 Feb 07 2025 16:44:07
%S A200486 5,6,2,0,3,2,0,3,3,5,2,3,6,8,9,9,2,3,5,8,6,2,2,1,6,3,2,1,4,4,2,7,2,1,
%T A200486 1,4,7,6,7,7,5,1,6,4,6,6,5,3,9,9,0,1,6,9,8,6,4,7,7,7,0,1,3,2,8,0,5,1,
%U A200486 7,6,3,9,7,0,1,0,5,5,7,0,3,2,4,0,4,5,9,9,0,1,4,4,1,7,8,6,9,8,2
%N A200486 Decimal expansion of least x>0 satisfying x^2-3x+2=tan(x).
%C A200486 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200486 x=0.562032033523689923586221632144272114767...
%t A200486 a = 1; b = -3; c = 2;
%t A200486 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200486 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200486 r = x /. FindRoot[f[x] == g[x], {x, .56, .57}, WorkingPrecision -> 110]
%t A200486 RealDigits[r] (* A200486 *)
%Y A200486 Cf. A200338.
%K A200486 nonn,cons
%O A200486 0,1
%A A200486 _Clark Kimberling_, Nov 18 2011