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A198605 Decimal expansion of x>0 satisfying 2*x^2=3*sin(x). 3
1, 1, 7, 6, 9, 2, 1, 0, 5, 9, 4, 6, 4, 3, 6, 6, 4, 4, 2, 8, 4, 1, 8, 7, 1, 4, 5, 2, 2, 0, 8, 6, 0, 6, 1, 1, 3, 3, 6, 9, 1, 4, 1, 1, 5, 0, 5, 1, 7, 4, 3, 7, 7, 5, 0, 1, 9, 8, 8, 4, 8, 9, 2, 8, 7, 6, 2, 1, 9, 5, 3, 0, 0, 6, 1, 2, 0, 7, 5, 8, 3, 6, 5, 4, 4, 5, 2, 5, 4, 5, 2, 7, 0, 5, 1, 9, 8, 1, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,3

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=1.176921059464366442841871452208606113369...

MATHEMATICA

a = 2; b = 0; c = 3;

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

Plot[{f[x], g[x]}, {x, -.1, 1.3}]

r = x /. FindRoot[f[x] == g[x], {x, 1.1, 1.2}, WorkingPrecision -> 110]

RealDigits[r] (* A198605 *)

PROG

(PARI) solve(x=1, 2, 3*sin(x)-2*x^2) \\ Charles R Greathouse IV, Apr 18 2016

CROSSREFS

Cf. A198414.

Sequence in context: A256685 A019325 A011220 * A021017 A219705 A273066

Adjacent sequences:  A198602 A198603 A198604 * A198606 A198607 A198608

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 27 2011

STATUS

approved

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Last modified July 2 16:19 EDT 2020. Contains 335404 sequences. (Running on oeis4.)