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A198613 Decimal expansion of x<0 satisfying 3*x^2+2x=sin(x). 2
3, 3, 9, 7, 0, 7, 6, 2, 3, 5, 2, 7, 0, 9, 1, 3, 0, 3, 2, 1, 7, 1, 6, 3, 0, 0, 8, 6, 9, 3, 5, 9, 4, 3, 8, 3, 9, 6, 9, 3, 5, 9, 3, 6, 7, 5, 6, 3, 6, 0, 2, 4, 4, 0, 5, 8, 0, 7, 0, 5, 4, 8, 6, 5, 1, 8, 0, 7, 7, 7, 8, 7, 2, 3, 9, 1, 6, 3, 2, 3, 0, 1, 6, 6, 4, 2, 9, 6, 6, 4, 4, 7, 8, 4, 5, 9, 7, 1, 9 (list; constant; graph; refs; listen; history; text; internal format)
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

x=-0.3397076235270913032171630086935943839693...

MATHEMATICA

a = 3; b = 2; c = 1;

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

Plot[{f[x], g[x]}, {x, -.5, .1}]

r = x /. FindRoot[f[x] == g[x], {x, -.34, -.33}, WorkingPrecision -> 110]

RealDigits[r](* A198613 *)

CROSSREFS

Cf. A198414.

Sequence in context: A215665 A200494 A156164 * A197031 A065483 A019745

Adjacent sequences:  A198610 A198611 A198612 * A198614 A198615 A198616

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 28 2011

STATUS

approved

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Last modified January 29 14:07 EST 2020. Contains 331338 sequences. (Running on oeis4.)