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A198415 Decimal expansion of x>0 having x^2=3*sin(x). 3
1, 7, 2, 2, 1, 2, 5, 1, 1, 2, 0, 7, 6, 7, 2, 3, 5, 9, 9, 4, 1, 5, 1, 4, 0, 0, 7, 3, 4, 7, 1, 7, 7, 4, 0, 5, 8, 1, 9, 0, 5, 0, 8, 1, 5, 5, 9, 3, 9, 2, 2, 3, 9, 8, 9, 2, 2, 2, 0, 0, 6, 0, 9, 5, 6, 8, 1, 2, 9, 5, 0, 8, 4, 2, 3, 2, 6, 5, 7, 5, 2, 2, 9, 7, 6, 8, 7, 4, 6, 9, 2, 0, 5, 2, 4, 9, 5, 6, 8 (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=1.72212511207672359941514007347177405819...

MATHEMATICA

a = 1; b = 0; 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, 1.7, 1.8}, WorkingPrecision -> 110]

RealDigits[r] (* A198415 *)

CROSSREFS

Cf. A198414.

Sequence in context: A274570 A176704 A289917 * A195723 A138996 A010141

Adjacent sequences:  A198412 A198413 A198414 * A198416 A198417 A198418

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 24 2011

STATUS

approved

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Last modified August 25 16:17 EDT 2019. Contains 326324 sequences. (Running on oeis4.)