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 A198432 #12 Apr 23 2025 12:30:32 %S A198432 3,0,5,5,9,6,8,7,2,7,2,1,4,7,5,7,9,0,7,5,3,9,2,8,5,6,3,7,5,4,8,4,4,3, %T A198432 0,6,9,8,8,3,1,3,6,3,8,9,4,4,6,8,2,4,5,3,4,4,3,9,9,9,2,5,8,0,0,2,0,5, %U A198432 3,0,5,9,2,0,8,9,3,3,0,5,6,7,1,1,3,5,9,8,8,9,0,2,1,5,1,6,7,5,7 %N A198432 Decimal expansion of x>0 having x^2-3x=2*sin(x). %C A198432 See A198414 for a guide to related sequences. The Mathematica program includes a graph. %H A198432 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %e A198432 3.05596872721475790753928563754844306988313638944... %t A198432 a = 1; b = -3; c = 2; %t A198432 f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x] %t A198432 Plot[{f[x], g[x]}, {x, -.2, 3.5}] %t A198432 r = x /. FindRoot[f[x] == g[x], {x, 3, 3.1}, WorkingPrecision -> 110] %t A198432 RealDigits[r] (* A198432 *) %Y A198432 Cf. A198414. %K A198432 nonn,cons %O A198432 1,1 %A A198432 _Clark Kimberling_, Oct 25 2011 %E A198432 a(86) onwards corrected by _Georg Fischer_, Aug 01 2021