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 A200603 #8 Feb 07 2025 16:44:07
%S A200603 1,4,8,2,6,0,7,4,9,2,1,8,1,6,3,4,0,4,9,6,3,8,8,5,0,7,9,6,7,4,5,5,8,7,
%T A200603 0,7,5,9,5,4,3,1,5,1,9,4,4,0,3,0,5,8,7,5,4,4,6,2,9,3,6,3,1,6,8,3,6,2,
%U A200603 8,4,6,9,6,3,3,7,0,0,8,8,9,7,0,5,4,4,8,9,8,0,7,5,8,6,0,7,3,2,3
%N A200603 Decimal expansion of least x>0 satisfying 4*x^2-x+4=tan(x).
%C A200603 See A200338 for a guide to related sequences. The Mathematica program includes a graph.
%e A200603 x=1.48260749218163404963885079674558707595431519440...
%t A200603 a = 4; b = -1; c = 4;
%t A200603 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
%t A200603 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200603 r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
%t A200603 RealDigits[r] (* A200603 *)
%Y A200603 Cf. A200338.
%K A200603 nonn,cons
%O A200603 1,2
%A A200603 _Clark Kimberling_, Nov 19 2011