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 A200687 #8 Feb 07 2025 16:44:07
%S A200687 1,0,7,4,3,0,7,6,1,9,5,9,3,5,8,9,1,7,7,1,9,6,3,6,3,6,3,4,6,2,8,6,8,7,
%T A200687 2,2,8,6,3,7,8,6,5,2,1,6,3,2,7,4,8,5,0,2,3,8,3,7,3,8,7,0,4,1,7,5,0,6,
%U A200687 4,8,9,9,8,3,5,1,5,7,8,2,6,7,7,6,8,1,7,2,6,7,9,4,8,4,1,1,7,2,8
%N A200687 Decimal expansion of least x>0 satisfying 3-x^2=tan(x).
%C A200687 See A200614 for a guide to related sequences. The Mathematica program includes a graph.
%H A200687 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A200687 1.074307619593589177196363634628687228637...
%t A200687 a = -1; c = 3;
%t A200687 f[x_] := a*x^2 + c; g[x_] := Tan[x]
%t A200687 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200687 r = x /. FindRoot[f[x] == g[x], {x, 1.0, 1.1}, WorkingPrecision -> 110]
%t A200687 RealDigits[r] (* A200687 *)
%Y A200687 Cf. A200338.
%K A200687 nonn,cons
%O A200687 1,3
%A A200687 _Clark Kimberling_, Nov 20 2011