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A133774
Number of 1s in the maximal "phinary" (A130601) representation of n.
1
1, 3, 3, 3, 6, 6, 5, 6, 6, 6, 5, 9, 9, 8, 9, 9, 9, 7, 8, 8, 9, 10, 9, 9, 8, 9, 9, 9, 7, 12, 12, 11, 12, 12, 12, 10, 11, 11, 12, 13, 12, 12, 11, 12, 12, 12, 9, 10, 10, 11, 12, 11, 11, 11, 12, 12, 13, 14, 12, 12, 11, 12, 12, 12, 10, 11, 11, 12, 13, 12, 12, 11, 12, 12, 12, 9, 15, 15, 14, 15, 15
OFFSET
1,2
REFERENCES
E. Zeckendorf, Représentation des nombres naturels par une somme des nombres de Fibonacci ou de nombres de Lucas, Bull. Soc. Roy. Sci. Liège 41, 179-182, 1972.
EXAMPLE
A130601(4)=10101, which contains three 1s. Hence a(4)=3.
CROSSREFS
Sequence in context: A367761 A112669 A098529 * A108581 A073080 A171601
KEYWORD
nonn
AUTHOR
Casey Mongoven, Sep 23 2007
STATUS
approved