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A198548 Decimal expansion of x>0 having 2*x^2-x=3*sin(x). 2
1, 4, 9, 8, 4, 2, 8, 5, 7, 0, 1, 4, 1, 0, 2, 6, 2, 8, 9, 1, 0, 5, 6, 5, 2, 1, 0, 1, 2, 4, 4, 0, 1, 9, 8, 3, 8, 5, 1, 8, 3, 8, 5, 4, 4, 1, 5, 8, 9, 3, 8, 6, 7, 8, 9, 8, 1, 8, 3, 7, 3, 4, 5, 2, 6, 9, 4, 7, 2, 8, 3, 1, 2, 2, 0, 3, 2, 7, 0, 7, 8, 5, 4, 9, 5, 7, 4, 3, 9, 6, 4, 7, 3, 4, 0, 2, 2, 6, 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=1.4984285701410262891056521012440198385183...

MATHEMATICA

a = 2; 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, 1.49, 1.5}, WorkingPrecision -> 110]

RealDigits[r]  (* A198548 *)

CROSSREFS

Cf. A198414.

Sequence in context: A249272 A280630 A215617 * A134902 A110992 A199203

Adjacent sequences:  A198545 A198546 A198547 * A198549 A198550 A198551

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 26 2011

STATUS

approved

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Last modified October 20 16:03 EDT 2019. Contains 328267 sequences. (Running on oeis4.)