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A367478
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Numbers k such that k^6*2^k - 1 is a prime.
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3
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37, 43, 167, 217, 239, 349, 581, 1297, 5183, 9119, 10589, 15205, 18745, 25687, 26609, 33667, 35663, 73603, 82501, 89269
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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[Range[6000], PrimeQ[#^6*2^# - 1] &] (* Amiram Eldar, Nov 19 2023 *)
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PROG
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(Magma) [k: k in [1..1000] | IsPrime(k^6*2^k-1)];
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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