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 A200701 #8 Feb 07 2025 16:44:07
%S A200701 3,3,0,8,0,1,8,0,6,1,0,5,5,8,6,9,9,1,4,3,4,0,8,7,8,0,3,1,0,8,9,9,0,9,
%T A200701 3,5,7,4,3,3,6,3,3,8,1,6,8,1,9,8,0,7,0,4,0,2,4,4,2,3,2,0,8,5,2,7,1,6,
%U A200701 4,1,4,2,9,8,2,0,7,8,0,6,5,2,9,5,2,8,4,6,4,8,5,6,4,6,0,5,7,1,6
%N A200701 Decimal expansion of least x>0 satisfying 1-6*x^2=tan(x).
%C A200701 See A200614 for a guide to related sequences. The Mathematica program includes a graph.
%H A200701 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A200701 0.33080180610558699143408780310899093574336338...
%t A200701 a = -6; c = 1;
%t A200701 f[x_] := a*x^2 + c; g[x_] := Tan[x]
%t A200701 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200701 r = x /. FindRoot[f[x] == g[x], {x, .3, .4}, WorkingPrecision -> 110]
%t A200701 RealDigits[r] (* A200701 *)
%Y A200701 Cf. A200338.
%K A200701 nonn,cons
%O A200701 0,1
%A A200701 _Clark Kimberling_, Nov 21 2011