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A198500 Decimal expansion of x>0 having 3*x^2+x=4*sin(x). 2
8, 4, 6, 4, 0, 5, 6, 9, 7, 8, 9, 3, 2, 0, 6, 0, 9, 9, 9, 9, 4, 7, 6, 7, 5, 2, 0, 6, 4, 2, 8, 4, 4, 6, 2, 8, 3, 1, 1, 4, 3, 3, 9, 1, 0, 4, 9, 5, 6, 8, 2, 1, 6, 0, 5, 9, 2, 3, 0, 9, 2, 0, 2, 3, 3, 9, 2, 2, 7, 2, 9, 0, 4, 7, 7, 9, 9, 0, 8, 2, 8, 3, 6, 7, 4, 6, 5, 6, 9, 3, 5, 7, 4, 0, 0, 6, 2, 7, 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=0.84640569789320609999476752064284462...

MATHEMATICA

a = 3; b = 1; c = 4;

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, .84, .85}, WorkingPrecision -> 110]

RealDigits[r] (* A198500 *)

CROSSREFS

Cf. A198414.

Sequence in context: A178727 A243446 A154188 * A092727 A020842 A255987

Adjacent sequences:  A198497 A198498 A198499 * A198501 A198502 A198503

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 25 2011

STATUS

approved

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Last modified January 21 21:30 EST 2020. Contains 331128 sequences. (Running on oeis4.)