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A322954
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Numbers k such that 323*2^k+1 is prime.
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0
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1, 5, 145, 329, 381, 465, 3121, 4201, 4309, 12669, 13601, 17221, 33601, 41741, 46921, 65745, 80269, 384685, 1072285
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OFFSET
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1,2
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LINKS
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MAPLE
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select(n->isprime(323*2^n+1), [$1..1000]); # Muniru A Asiru, Dec 31 2018
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MATHEMATICA
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Select[Range[1000], PrimeQ[323*2^# + 1] &] (* Robert Price, Dec 31 2018 *)
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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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