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A081129 Differences of Beatty sequence for cube root of 3. +0
2
1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n)=floor((n+1)*3^(1/3))-floor(n*3^(1/3))

PROGRAM

(PARI) a(n)=floor((n+1)*3^(1/3))-floor(n*3^(1/3))

CROSSREFS

Sequence in context: A057557 A103587 A100387 this_sequence A022934 A107450 A104248

Adjacent sequences: A081126 A081127 A081128 this_sequence A081130 A081131 A081132

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 16 2003

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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