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 A200352 #6 Feb 07 2025 16:44:06
%S A200352 1,4,6,6,4,6,3,4,7,1,0,1,0,8,5,3,8,0,8,0,2,1,1,8,1,5,1,4,4,7,5,9,8,2,
%T A200352 1,8,5,5,3,6,6,1,5,5,1,2,9,5,9,0,0,4,1,3,3,1,8,8,4,4,4,8,2,3,5,4,9,4,
%U A200352 9,6,3,0,6,8,9,4,5,8,8,7,1,7,1,2,9,1,4,6,0,8,9,0,7,8,6,5,0,6,2
%N A200352 Decimal expansion of least x>0 satisfying x^2+3x+3=tan(x).
%C A200352 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200352 x=1.4664634710108538080211815144759821855...
%t A200352 a = 1; b = 3; c = 3;
%t A200352 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200352 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200352 r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
%t A200352 RealDigits[r] (* A200352 *)
%Y A200352 Cf. A200338.
%K A200352 nonn,cons
%O A200352 1,2
%A A200352 _Clark Kimberling_, Nov 17 2011