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 A081117 Differences of Beatty sequence for cube root of 2. 0
 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS FORMULA a(n)=floor((n+1)*2^(1/3))-floor(n*2^(1/3)) MATHEMATICA With[{c=Surd[2, 3]}, Differences[Floor[Range[0, 110]c]]] (* Harvey P. Dale, Jan 30 2015 *) PROG (PARI) a(n)=floor((n+1)*2^(1/3))-floor(n*2^(1/3)) CROSSREFS Sequence in context: A138191 A069291 A268238 * A129252 A022929 A161102 Adjacent sequences:  A081114 A081115 A081116 * A081118 A081119 A081120 KEYWORD nonn AUTHOR Benoit Cloitre, Apr 16 2003 STATUS approved

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Last modified December 11 04:29 EST 2018. Contains 318049 sequences. (Running on oeis4.)