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 A200629 #8 Feb 07 2025 16:44:07
%S A200629 1,4,9,5,0,4,4,8,0,5,5,6,5,1,6,7,7,4,0,1,1,5,2,3,9,3,6,2,5,4,5,5,1,6,
%T A200629 4,4,9,5,9,6,7,8,9,7,9,7,5,8,1,1,8,6,0,1,7,8,9,9,1,6,5,8,0,7,7,7,5,8,
%U A200629 9,0,4,4,2,1,6,0,4,8,2,1,0,7,2,5,3,7,1,7,4,1,4,5,7,5,1,9,4,1,4
%N A200629 Decimal expansion of least x>0 satisfying 5*x^2+2=tan(x).
%C A200629 See A200614 for a guide to related sequences. The Mathematica program includes a graph.
%H A200629 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A200629 x=1.49504480556516774011523936254551644959678979...
%t A200629 a = 5; c = -2;
%t A200629 f[x_] := a*x^2 - c; g[x_] := Tan[x]
%t A200629 Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A200629 r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
%t A200629 RealDigits[r] (* A200629 *)
%Y A200629 Cf. A200338.
%K A200629 nonn,cons
%O A200629 1,2
%A A200629 _Clark Kimberling_, Nov 20 2011