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A129761 Differences between adjacent Fibbinary numbers (A003714). 0
1, 2, 1, 3, 1, 1, 6, 1, 1, 2, 1, 11, 1, 1, 2, 1, 3, 1, 1, 22, 1, 1, 2, 1, 3, 1, 1, 6, 1, 1, 2, 1, 43, 1, 1, 2, 1, 3, 1, 1, 6, 1, 1, 2, 1, 11, 1, 1, 2, 1, 3, 1, 1, 86, 1, 1, 2, 1, 3, 1, 1, 6, 1, 1, 2, 1, 11, 1, 1, 2, 1, 3, 1, 1, 22, 1, 1, 2, 1, 3, 1, 1, 6, 1, 1, 2, 1, 171, 1, 1, 2, 1, 3, 1, 1, 6 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Conjecture: All members are of the form ceiling(2^k/3) (A005578).

MATHEMATICA

Differences[Select[Range[0, 600], !MemberQ[Partition[IntegerDigits[#, 2], 2, 1], {1, 1}]&]] (* From Harvey P. Dale, Jul 17 2011 *)

CROSSREFS

Sequence in context: A178534 A110619 A191861 * A207031 A156248 A123864

Adjacent sequences:  A129758 A129759 A129760 * A129762 A129763 A129764

KEYWORD

nonn

AUTHOR

Ralf Stephan, May 14 2007

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.