

A198886


Decimal expansion of x>0 satisfying 2*x^24*cos(x)=3.


2



1, 3, 7, 4, 6, 7, 5, 3, 4, 3, 9, 3, 4, 6, 8, 1, 8, 9, 9, 6, 3, 0, 1, 5, 6, 6, 5, 7, 3, 2, 3, 7, 5, 8, 5, 8, 9, 1, 5, 5, 0, 5, 4, 3, 6, 6, 9, 3, 5, 9, 5, 8, 9, 7, 6, 7, 6, 9, 1, 5, 6, 7, 5, 5, 3, 0, 0, 8, 7, 2, 4, 4, 1, 6, 2, 5, 1, 9, 5, 0, 2, 1, 1, 8, 2, 2, 1, 4, 1, 0, 3, 3, 4, 2, 1, 6, 8, 5, 6
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OFFSET

1,2


COMMENTS

See A198755 for a guide to related sequences. The Mathematica program includes a graph.


LINKS

Table of n, a(n) for n=1..99.


EXAMPLE

x=1.374675343934681899630156657323758589155...


MATHEMATICA

a = 2; b = 4; c = 3;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, 2, 2}, {AxesOrigin > {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.37, 1.38}, WorkingPrecision > 110]
RealDigits[r] (* A198886 *)


CROSSREFS

Cf. A198755.
Sequence in context: A019831 A199733 A193625 * A305202 A192265 A274511
Adjacent sequences: A198883 A198884 A198885 * A198887 A198888 A198889


KEYWORD

nonn,cons


AUTHOR

Clark Kimberling, Oct 31 2011


STATUS

approved



