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A198498 Decimal expansion of x>0 having 3*x^2+x=2*sin(x). 2
3, 2, 1, 8, 8, 0, 8, 9, 8, 7, 4, 2, 3, 6, 4, 2, 3, 9, 8, 6, 1, 8, 3, 3, 8, 4, 5, 3, 9, 4, 4, 7, 8, 4, 5, 2, 8, 3, 6, 6, 7, 9, 7, 7, 6, 7, 5, 0, 1, 1, 4, 2, 7, 1, 4, 3, 5, 1, 9, 1, 1, 2, 9, 3, 4, 6, 9, 1, 4, 8, 7, 1, 9, 1, 5, 2, 6, 7, 9, 1, 6, 3, 3, 1, 0, 6, 2, 4, 1, 3, 2, 0, 2, 7, 3, 6, 6, 4, 9 (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

x=0.3218808987423642398618338453944...

MATHEMATICA

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

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, .32, .33}, WorkingPrecision -> 110]

RealDigits[r] (* A198498 *)

CROSSREFS

Cf. A198414.

Sequence in context: A065602 A237596 A292898 * A016648 A104552 A210803

Adjacent sequences:  A198495 A198496 A198497 * A198499 A198500 A198501

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 25 2011

STATUS

approved

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Last modified July 14 09:22 EDT 2020. Contains 335720 sequences. (Running on oeis4.)