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A198554 Decimal expansion of x>0 having 4*x^2-x=sin(x). 2
4, 9, 0, 1, 1, 0, 8, 3, 0, 7, 3, 4, 8, 6, 7, 4, 3, 7, 3, 5, 5, 1, 4, 0, 7, 3, 7, 4, 1, 1, 1, 6, 7, 2, 0, 1, 4, 3, 4, 8, 1, 0, 1, 9, 5, 1, 7, 8, 7, 8, 7, 7, 4, 6, 4, 1, 5, 1, 7, 4, 1, 1, 2, 9, 7, 3, 7, 4, 0, 5, 7, 6, 8, 3, 7, 3, 0, 3, 7, 5, 8, 9, 9, 4, 5, 6, 8, 7, 1, 1, 0, 2, 7, 2, 0, 1, 0, 4, 3 (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=0.490110830734867437355140737411167201434810...

MATHEMATICA

a = 4; b = -1; c = 1;

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, .49, .5}, WorkingPrecision -> 110]

RealDigits[r]  (* A198554 *)

CROSSREFS

Cf. A198414.

Sequence in context: A069883 A069647 A011348 * A200413 A021208 A298813

Adjacent sequences:  A198551 A198552 A198553 * A198555 A198556 A198557

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 26 2011

STATUS

approved

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Last modified February 21 02:02 EST 2020. Contains 332086 sequences. (Running on oeis4.)