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 A200598 #6 Feb 07 2025 16:44:07 %S A200598 1,1,8,7,6,3,8,0,2,6,3,5,4,6,0,3,9,8,2,4,4,7,2,9,1,0,9,8,0,4,2,1,6,2, %T A200598 2,3,5,9,7,1,6,3,7,8,6,7,2,8,0,3,5,9,3,3,0,8,6,2,7,8,7,7,8,3,6,0,1,7, %U A200598 6,1,1,5,1,3,9,3,9,3,9,6,3,9,6,3,7,2,6,0,7,3,1,6,4,3,4,5,3,6,2 %N A200598 Decimal expansion of least x>0 satisfying 3*x^2-4*x+3=tan(x). %C A200598 See A200338 for a guide to related sequences. The Mathematica program includes a graph. %e A200598 x=1.18763802635460398244729109804216223597163786... %t A200598 a = 3; b = -4; c = 3; %t A200598 f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x] %t A200598 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}] %t A200598 r = x /. FindRoot[f[x] == g[x], {x, 1.1, 1.2}, WorkingPrecision -> 110] %t A200598 RealDigits[r] (* A200598 *) %Y A200598 Cf. A200338. %K A200598 nonn,cons %O A200598 1,3 %A A200598 _Clark Kimberling_, Nov 19 2011