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A259045
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Numbers n such that n!! - 2^6 is prime.
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1
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7, 9, 11, 17, 21, 27, 29, 39, 43, 45, 67, 145, 173, 613, 833, 1449, 1703, 1719, 2673, 19661, 36095, 37837, 37845
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OFFSET
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1,1
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COMMENTS
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a(24) > 50000.
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LINKS
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MATHEMATICA
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Select[Range[0, 50000], #!! - 64 > 0 && PrimeQ[#!! - 64] &]
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CROSSREFS
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Cf. A080778, A076185, A076186, A076188, A076189, A076190, A076193, A076194, A076195, A076196, A076197 (other forms of n!!+2^k)
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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