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A220115
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a(n) = A000120(n) - A007895(n), the number of 1's in binary expansion of n minus the number of terms in Zeckendorf representation of n.
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4
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0, 0, 0, 1, -1, 1, 0, 1, 0, 0, 0, 1, -1, 2, 1, 2, -1, -1, 0, 0, -1, 2, 1, 2, 0, 0, 1, 1, 0, 2, 1, 2, -2, -2, 1, 1, 0, 1, 0, 2, -1, 0, 1, 1, 0, 1, 0, 3, -1, 0, 0, 0, 0, 0, 0, 4, 1, 2, 2, 2, 2, 2, 2, 4, -2, -1, -1, -1, 0, 0, 0, 1, -2, 0, -1, 0, 1, 1, 1, 2, -2
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,14
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LINKS
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FORMULA
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EXAMPLE
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MATHEMATICA
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zeck = DigitCount[Select[Range[0, 500], BitAnd[#, 2*#] == 0&], 2, 1]; DigitCount[Range[0, Length[zeck]-1], 2, 1] - zeck (* Jean-François Alcover, Jan 25 2018 *)
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CROSSREFS
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KEYWORD
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base,sign,easy
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AUTHOR
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STATUS
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approved
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