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A198612 Decimal expansion of x < 0 satisfying 2*x^2+4*x = 3*sin(x). 2
5, 8, 3, 7, 5, 1, 7, 2, 0, 0, 2, 1, 7, 0, 9, 5, 2, 9, 6, 1, 3, 8, 8, 6, 7, 0, 9, 8, 9, 8, 0, 3, 4, 2, 3, 0, 9, 0, 5, 3, 3, 4, 0, 5, 3, 1, 9, 8, 2, 9, 5, 6, 1, 4, 4, 6, 8, 3, 3, 3, 3, 1, 3, 5, 4, 6, 3, 9, 5, 7, 2, 4, 3, 8, 3, 5, 0, 4, 3, 0, 5, 3, 8, 1, 7, 1, 7, 1, 1, 6, 0, 3, 6, 1, 7, 7, 3, 8, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

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

LINKS

Table of n, a(n) for n=0..98.

EXAMPLE

-0.583751720021709529613886709898034230905334...

MATHEMATICA

a = 2; b = 4; c = 3;

f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]

Plot[{f[x], g[x]}, {x, -1, .1}]

r = x /. FindRoot[f[x] == g[x], {x, -.6, .5}, WorkingPrecision -> 110]

RealDigits[r](* A198612 *)

CROSSREFS

Cf. A198414.

Sequence in context: A200685 A099872 A097908 * A019907 A248007 A212194

Adjacent sequences:  A198609 A198610 A198611 * A198613 A198614 A198615

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 28 2011

EXTENSIONS

Offset corrected by Georg Fischer, Aug 01 2021

STATUS

approved

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Last modified January 24 17:28 EST 2022. Contains 350565 sequences. (Running on oeis4.)