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2, 3, 4, 7, 5, 8, 9, 6, 9, 10, 11, 15, 7, 10, 11, 12, 16, 13, 17, 18, 8, 11, 12, 13, 17, 14, 18, 19, 15, 19, 20, 21, 26, 9, 12, 13, 14, 18, 15, 19, 20, 16, 20, 21, 22, 27, 17, 21, 22, 23, 28, 24, 29, 30, 10, 13, 14, 15, 19, 16, 20, 21, 17, 21, 22, 23, 28, 18, 22
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Join[{2}, Map[Total[PositionIndex[Reverse[IntegerDigits[#, 2]]][1]] &, Select[Range[4, 1000, 4], DigitCount[#, 2, 1] < IntegerExponent[#, 2] + 1 &]]]
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CROSSREFS
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KEYWORD
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nonn,easy,base
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AUTHOR
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STATUS
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approved
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