A198432 Decimal expansion of x>0 having x^2-3x=2*sin(x).

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, 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, 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

Offset

1,1

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Links

Table of n, a(n) for n=1..99.

Example

3.05596872721475790753928563754844306988313638944...

Mathematica

a = 1; b = -3; c = 2;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 3.5}]
r = x /. FindRoot[f[x] == g[x], {x, 3, 3.1}, WorkingPrecision -> 110]
RealDigits[r] (* A198432 *)

Crossrefs

Cf. A198414.

Sequence in context: A197690 A351692 A181840 * A102391 A038556 A342303

Adjacent sequences: A198429 A198430 A198431 * A198433 A198434 A198435

Keyword

nonn,cons

Author

Clark Kimberling, Oct 25 2011

Extensions

a(86) onwards corrected by Georg Fischer, Aug 01 2021

Status

approved