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A154136 Greatest number m such that the fractional part of (4/3)^A154132(m) >= 1-(1/m). +0
1
1, 4, 88, 1228, 2253, 4562, 8183, 167378 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n):=floor(1/(1-fract((4/3)^A154132(n)))), where fract(x) = x-floor(x).

EXAMPLE

a(3)=88, since 1-(1/89)=0.988764...>fract((4/3)^A154132(3))=fract((4/3)^8)=0.988721...>0.988636...=1-(1/88).

CROSSREFS

Cf. A153667, A153675, A153707, A153715, A154144, A154152.

Cf. A002379, A064628.

Sequence in context: A059577 A028554 A154137 this_sequence A012830 A012946 A013101

Adjacent sequences: A154133 A154134 A154135 this_sequence A154137 A154138 A154139

KEYWORD

nonn,more

AUTHOR

Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jan 11 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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