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 A200396 #6 Feb 07 2025 16:44:07
%S A200396 1,4,9,5,1,3,5,7,9,3,1,6,6,3,0,3,3,1,0,4,2,4,5,2,2,6,6,8,8,2,5,8,1,4,
%T A200396 8,6,2,9,2,4,0,7,2,0,5,7,6,0,8,8,2,0,8,0,0,5,1,3,6,2,6,7,0,5,2,2,5,8,
%U A200396 5,9,2,3,9,9,0,7,4,8,8,8,6,5,5,1,9,1,3,6,7,2,7,9,5,9,3,2,3,9,2
%N A200396 Decimal expansion of least x>0 satisfying 3*x^2+3*x+2=tan(x).
%C A200396 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200396 x=1.49513579316630331042452266882581486292407205760...
%t A200396 a = 3; b = 3; c = 2;
%t A200396 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200396 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200396 r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
%t A200396 RealDigits[r] (* A200396 *)
%Y A200396 Cf. A200338.
%K A200396 nonn,cons
%O A200396 1,2
%A A200396 _Clark Kimberling_, Nov 17 2011