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A323148
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Numbers k such that 439*2^k+1 is prime.
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0
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6, 18, 34, 54, 58, 454, 538, 994, 1122, 3222, 6582, 8886, 14974, 53014, 127086, 499662, 1112314, 1288818, 1408326
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OFFSET
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1,1
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LINKS
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MAPLE
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select(k->isprime(439*2^k+1), [$1..1000]); # Muniru A Asiru, Jan 05 2019
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MATHEMATICA
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Select[Range[1000], PrimeQ[439*2^# + 1] &]
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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STATUS
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approved
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