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 A200481 #6 Feb 07 2025 16:44:07
%S A200481 3,7,3,7,5,2,2,6,6,8,3,0,3,9,4,3,9,3,0,2,4,3,6,2,4,5,4,0,8,6,3,6,0,6,
%T A200481 4,3,2,8,4,4,8,3,5,6,7,8,4,9,8,0,8,1,4,5,1,1,4,9,7,6,1,7,2,9,7,4,5,9,
%U A200481 1,5,2,9,0,1,3,3,5,3,8,4,5,8,8,7,7,5,8,1,2,2,2,3,0,0,6,1,6,2,6
%N A200481 Decimal expansion of least x>0 satisfying x^2-2x+1=tan(x).
%C A200481 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200481 x=0.373752266830394393024362454086360643284483567...
%t A200481 a = 1; b = -2; c = 1;
%t A200481 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200481 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200481 r = x /. FindRoot[f[x] == g[x], {x, .3, .4}, WorkingPrecision -> 110]
%t A200481 RealDigits[r] (* A200481 *)
%Y A200481 Cf. A200338.
%K A200481 nonn,cons
%O A200481 0,1
%A A200481 _Clark Kimberling_, Nov 18 2011