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A237499
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Odious Mersenne exponents.
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0
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2, 7, 13, 19, 31, 61, 107, 127, 521, 607, 1279, 3217, 11213, 21701, 44497, 132049, 216091, 756839, 1257787, 3021377, 6972593, 20996011, 24036583, 30402457, 37156667, 43112609
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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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MATHEMATICA
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Select[MersennePrimeExponent[Range[47]], OddQ @ DigitCount[#, 2][[1]] &] (* Amiram Eldar, Dec 10 2019 *)
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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a(13) and a(18) inserted and more terms added by Amiram Eldar, Dec 10 2019
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STATUS
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approved
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