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A102392
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Odious numbers in odious places.
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4
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0, 1, 2, 0, 4, 0, 0, 7, 8, 0, 0, 11, 0, 13, 14, 0, 16, 0, 0, 19, 0, 21, 22, 0, 0, 25, 26, 0, 28, 0, 0, 31, 32, 0, 0, 35, 0, 37, 38, 0, 0, 41, 42, 0, 44, 0, 0, 47, 0, 49, 50, 0, 52, 0, 0, 55, 56, 0, 0, 59, 0, 61, 62, 0, 64, 0, 0, 67, 0, 69, 70, 0, 0, 73, 74, 0, 76, 0, 0, 79, 0, 81, 82, 0, 84, 0
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OFFSET
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0,3
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COMMENTS
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LINKS
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FORMULA
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a(n)=if((1+floor(n/2))(1+(-1)^A000120(n))/2=0, n, 0); a(n)=if((1+floor(n/2))(1+(-1)^A010060(n))/2=0, n, 0).
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MATHEMATICA
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odnQ[n_]:=OddQ[DigitCount[n, 2, 1]]; Table[If[odnQ[n], n, 0], {n, 0, 100}] (* Harvey P. Dale, Oct 15 2019 *)
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PROG
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(Python)
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CROSSREFS
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KEYWORD
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easy,nonn,base
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AUTHOR
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STATUS
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approved
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