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 A200494 #8 Feb 07 2025 16:44:07
%S A200494 1,3,3,9,7,0,0,0,0,4,3,1,9,6,5,6,6,5,2,2,4,3,8,9,3,6,5,9,7,7,1,9,6,6,
%T A200494 6,8,3,8,2,9,0,2,2,2,2,2,9,9,7,0,2,8,0,4,8,6,2,7,9,1,2,0,2,1,5,6,3,0,
%U A200494 4,8,4,4,0,9,4,2,2,9,1,0,4,8,0,9,8,4,7,3,3,3,5,3,4,6,8,4,7,3,8,5
%N A200494 Decimal expansion of least x>0 satisfying 2*x^2-x+2=tan(x).
%C A200494 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200494 x=1.339700004319656652243893659771966683829022222...
%t A200494 a = 2; b = -1; c = 2;
%t A200494 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200494 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200494 r = x /. FindRoot[f[x] == g[x], {x, 1.3, 1.4}, WorkingPrecision -> 110]
%t A200494 RealDigits[r] (* A200494 *)
%Y A200494 Cf. A200338.
%K A200494 nonn,cons
%O A200494 1,2
%A A200494 _Clark Kimberling_, Nov 18 2011