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 A198617 #8 Apr 23 2025 12:50:36
%S A198617 3,4,6,6,0,1,4,4,8,0,7,6,9,6,1,0,6,3,3,0,5,4,2,4,5,4,8,2,3,3,6,6,8,0,
%T A198617 4,9,1,5,7,6,3,9,4,9,0,0,7,1,7,1,6,4,2,2,1,7,7,2,8,1,5,0,0,5,9,7,8,8,
%U A198617 8,5,0,3,5,7,5,3,7,2,9,3,1,4,4,1,1,5,8,5,4,7,3,3,4,2,5,2,3,8,9
%N A198617 Decimal expansion of x<0 satisfying 3*x^2+3x=2*sin(x).
%C A198617 See A198414 for a guide to related sequences. The Mathematica program includes a graph.
%H A198617 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A198617 -0.34660144807696106330542454823366804915763...
%t A198617 a = 3; b = 3; c = 2;
%t A198617 f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
%t A198617 Plot[{f[x], g[x]}, {x, -1, .1}]
%t A198617 r = x /. FindRoot[f[x] == g[x], {x, -.35, -.34}, WorkingPrecision -> 110]
%t A198617 RealDigits[r](* A198617 *)
%Y A198617 Cf. A198414.
%K A198617 nonn,cons
%O A198617 0,1
%A A198617 _Clark Kimberling_, Oct 28 2011