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 A200485 #6 Feb 07 2025 16:44:07
%S A200485 2,6,6,0,8,4,5,5,4,1,1,2,8,5,2,7,2,1,7,8,8,6,4,2,1,4,4,2,7,8,3,5,9,0,
%T A200485 7,1,3,2,5,7,8,0,4,3,5,9,4,7,6,9,1,4,3,9,2,3,7,2,1,2,9,3,8,1,9,4,9,7,
%U A200485 7,3,7,7,2,1,3,4,5,7,4,5,4,2,8,4,2,2,1,2,3,2,7,8,8,2,5,4,3,7,4
%N A200485 Decimal expansion of least x>0 satisfying x^2-3x+1=tan(x).
%C A200485 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200485 x=0.266084554112852721788642144278359071325780...
%t A200485 a = 1; b = -3; c = 1;
%t A200485 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200485 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200485 r = x /. FindRoot[f[x] == g[x], {x, .26, .27}, WorkingPrecision -> 110]
%t A200485 RealDigits[r] (* A200485 *)
%Y A200485 Cf. A200338.
%K A200485 nonn,cons
%O A200485 0,1
%A A200485 _Clark Kimberling_, Nov 18 2011