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 A198929 #8 Feb 07 2025 17:51:43
%S A198929 1,0,1,0,4,4,1,1,7,9,2,2,4,6,6,5,0,3,7,2,5,6,9,3,1,5,7,6,9,6,7,0,3,0,
%T A198929 6,6,3,1,3,4,4,6,5,0,7,4,7,5,7,1,8,0,0,1,2,8,9,5,5,5,2,7,2,7,0,8,4,4,
%U A198929 5,2,8,6,9,1,1,6,7,3,4,5,3,0,5,2,5,4,6,1,0,4,1,1,5,2,9,5,5,0,1
%N A198929 Decimal expansion of x>0 satisfying 3*x^2-2*cos(x)=2.
%C A198929 See A198755 for a guide to related sequences. The Mathematica program includes a graph.
%H A198929 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A198929 1.0104411792246650372569315769670306631344650...
%t A198929 a = 3; b = -2; c = 2;
%t A198929 f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
%t A198929 Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}]
%t A198929 r = x /. FindRoot[f[x] == g[x], {x, 1, 1.1}, WorkingPrecision -> 110]
%t A198929 RealDigits[r] (* A198929 *)
%Y A198929 Cf. A198755.
%K A198929 nonn,cons
%O A198929 1,5
%A A198929 _Clark Kimberling_, Oct 31 2011