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A198492
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Decimal expansion of x>0 having x^2-4x=4*sin(x).
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2
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3, 5, 5, 1, 3, 1, 5, 4, 5, 6, 0, 0, 1, 2, 4, 3, 7, 1, 0, 2, 4, 7, 4, 5, 6, 6, 3, 1, 9, 6, 2, 5, 4, 3, 4, 7, 6, 9, 6, 0, 3, 5, 8, 1, 4, 9, 8, 0, 6, 5, 4, 1, 4, 3, 1, 5, 7, 0, 1, 7, 3, 6, 5, 0, 4, 5, 9, 7, 3, 0, 4, 8, 6, 7, 1, 5, 3, 6, 3, 7, 9, 8, 3, 6, 7, 9, 7, 3, 3, 0, 2, 7, 5, 9, 3, 4, 6, 9, 8
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OFFSET
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1,1
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COMMENTS
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See A198414 for a guide to related sequences. The Mathematica program includes a graph.
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LINKS
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Table of n, a(n) for n=1..99.
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EXAMPLE
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x=3.55131545600124371024745663196254347696...
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MATHEMATICA
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a = 1; b = -4; c = 4;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 4}]
r = x /. FindRoot[f[x] == g[x], {x, 3.55, 3.56}, WorkingPrecision -> 110]
RealDigits[r] (* A198492 *)
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CROSSREFS
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Cf. A198414.
Sequence in context: A200334 A138112 A106233 * A077860 A078063 A019944
Adjacent sequences: A198489 A198490 A198491 * A198493 A198494 A198495
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KEYWORD
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nonn,cons
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AUTHOR
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Clark Kimberling, Oct 25 2011
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STATUS
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approved
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