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 A198425 #12 Apr 23 2025 12:17:11
%S A198425 7,3,6,2,3,2,1,5,0,5,5,4,7,4,8,1,9,9,5,6,0,8,9,1,8,9,2,5,8,9,0,7,6,8,
%T A198425 1,2,9,9,3,9,8,0,5,8,9,5,5,1,3,2,5,8,2,5,9,0,5,4,8,4,3,5,5,0,3,2,9,7,
%U A198425 8,8,2,6,6,0,0,4,3,1,9,8,5,8,4,3,7,3,4,7,0,6,9,0,4,8,8,4,7,5,2,2
%N A198425 Decimal expansion of x>0 having x^2+2x=3*sin(x).
%C A198425 See A198414 for a guide to related sequences. The Mathematica program includes a graph.
%H A198425 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A198425 0.7362321505547481995608918925890768129939...
%t A198425 a = 1; b = 2; c = 3;
%t A198425 f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
%t A198425 Plot[{f[x], g[x]}, {x, -.2, 1}]
%t A198425 r = x /. FindRoot[f[x] == g[x], {x, .73, .74}, WorkingPrecision -> 110]
%t A198425 RealDigits[r] (* A198425 *)
%Y A198425 Cf. A198414.
%K A198425 nonn,cons
%O A198425 0,1
%A A198425 _Clark Kimberling_, Oct 25 2011
%E A198425 a(89) onwards corrected by _Georg Fischer_, Aug 01 2021