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A198418 Decimal expansion of x>0 having x^2+x=3*sin(x). 2
1, 2, 6, 3, 3, 2, 1, 4, 4, 7, 9, 4, 9, 3, 6, 9, 1, 0, 6, 6, 7, 0, 4, 7, 5, 9, 3, 4, 3, 3, 0, 0, 0, 6, 4, 8, 1, 5, 8, 0, 7, 3, 0, 2, 3, 6, 0, 5, 5, 4, 6, 4, 5, 5, 3, 1, 5, 7, 0, 4, 4, 8, 2, 1, 9, 1, 8, 3, 4, 2, 2, 1, 6, 9, 6, 0, 9, 0, 9, 8, 2, 0, 9, 4, 0, 7, 0, 9, 4, 6, 5, 9, 9, 5, 1, 8, 6, 3, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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=1.26332144794936910667047593433000...

MATHEMATICA

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

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

Plot[{f[x], g[x]}, {x, -1, 2}]

r = x /. FindRoot[f[x] == g[x], {x, 1.26, 1.27}, WorkingPrecision -> 110]

RealDigits[r] (* A198418 *)

CROSSREFS

Cf. A198414.

Sequence in context: A297927 A321873 A218256 * A086360 A066098 A299160

Adjacent sequences:  A198415 A198416 A198417 * A198419 A198420 A198421

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 24 2011

STATUS

approved

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Last modified December 2 03:43 EST 2021. Contains 349437 sequences. (Running on oeis4.)