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A153667 Greatest number m such that the fractional part of (3/2)^A153663(n) >= 1-(1/m). 8
2, 2, 2, 2, 3, 14, 31, 33, 69, 137, 222, 318, 901, 1772, 2747, 12347, 16540, 18198, 135794, 222246, 570361 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n):=floor(1/(1-fract((3/2)^A153663(n)))), where fract(x) = x-floor(x).

EXAMPLE

a(5)=3, since 1-(1/4)=0.75>fract((3/2)^A153663(5))=fract((3/2)^12)=0.746...>=1-(1/3).

CROSSREFS

Cf. A002379, A081464, A153662, A153663, A153664, A153665, A153666, A153668.

Sequence in context: A114869 A078228 A119762 * A125914 A086668 A092904

Adjacent sequences:  A153664 A153665 A153666 * A153668 A153669 A153670

KEYWORD

nonn,more

AUTHOR

Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Dec 31 2008

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.