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 A201334 #10 Jan 30 2025 15:58:22
%S A201334 5,0,7,0,9,4,7,7,8,2,5,4,4,5,8,4,8,8,0,4,1,0,6,8,0,5,8,5,7,6,1,2,5,8,
%T A201334 4,5,2,7,7,6,6,2,4,0,4,6,9,3,1,9,6,7,3,7,6,1,4,2,9,3,7,2,4,4,3,5,6,2,
%U A201334 3,9,8,8,5,2,1,6,2,7,6,7,2,7,2,1,4,6,7,0,3,8,3,0,9,7,0,5,3,5,8
%N A201334 Decimal expansion of x satisfying 7*x^2 = cot(x) and 0 < x < Pi.
%C A201334 See A201280 for a guide to related sequences. The Mathematica program includes a graph.
%H A201334 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A201334 0.50709477825445848804106805857612584527766240...
%t A201334 a = 7; c = 0;
%t A201334 f[x_] := a*x^2 + c; g[x_] := Cot[x]
%t A201334 Plot[{f[x], g[x]}, {x, 0, Pi/2}, {AxesOrigin -> {0, 0}}]
%t A201334 r = x /. FindRoot[f[x] == g[x], {x, .5, .6}, WorkingPrecision -> 110]
%t A201334 RealDigits[r] (* A201334 *)
%Y A201334 Cf. A201280.
%K A201334 nonn,cons
%O A201334 0,1
%A A201334 _Clark Kimberling_, Nov 30 2011