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 A198572 #9 Apr 23 2025 12:46:33
%S A198572 1,7,4,9,8,1,0,4,9,6,2,9,8,1,8,3,3,9,8,7,6,1,2,9,7,0,6,4,7,5,3,4,8,6,
%T A198572 6,5,2,0,1,0,0,6,4,3,2,3,3,5,0,0,4,2,5,7,1,8,9,1,1,7,0,7,7,1,8,8,1,7,
%U A198572 7,2,5,8,1,9,7,0,6,4,1,1,7,9,4,4,3,0,7,7,6,9,1,0,2,2,7,5,7,2,0
%N A198572 Decimal expansion of x>0 satisfying 3*x^2-3x=4*sin(x).
%C A198572 See A198414 for a guide to related sequences. The Mathematica program includes a graph.
%H A198572 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A198572 1.74981049629818339876129706475348665201006...
%t A198572 a = 3; b = -3; c = 4;
%t A198572 f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
%t A198572 Plot[{f[x], g[x]}, {x, -.2, 1.5}]
%t A198572 r = x /. FindRoot[f[x] == g[x], {x, 1.74, 1.75}, WorkingPrecision -> 110]
%t A198572 RealDigits[r] (* A198572 *)
%Y A198572 Cf. A198414.
%K A198572 nonn,cons
%O A198572 1,2
%A A198572 _Clark Kimberling_, Oct 27 2011