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 A200392 #6 Feb 07 2025 16:44:07
%S A200392 1,4,8,4,6,6,9,5,6,8,5,7,3,0,0,5,9,7,2,5,2,7,4,3,7,0,8,4,4,7,2,8,4,8,
%T A200392 9,6,5,7,5,4,6,9,2,6,6,3,3,9,4,6,4,6,6,1,5,8,1,3,5,2,9,6,1,0,8,1,2,3,
%U A200392 7,3,7,9,7,1,4,9,2,7,8,2,5,7,3,5,4,5,2,2,9,9,6,1,5,8,6,6,2,9,7
%N A200392 Decimal expansion of least x>0 satisfying 3*x^2+2*x+2=tan(x).
%C A200392 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200392 x=1.484669568573005972527437084472848965754692...
%t A200392 a = 3; b = 2; c = 2;
%t A200392 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200392 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200392 r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
%t A200392 RealDigits[r] (* A200392 *)
%Y A200392 Cf. A200338.
%K A200392 nonn,cons
%O A200392 1,2
%A A200392 _Clark Kimberling_, Nov 17 2011