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A084749
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Numbers n such that n! + p is a prime, where p is the smallest prime > n.
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3
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0, 1, 2, 3, 4, 5, 6, 7, 10, 33, 44, 48, 52, 64, 73, 92, 119, 182, 487, 603, 987, 4884, 6822, 8070
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OFFSET
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1,3
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COMMENTS
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Next term, if it exists, is >4800. - Ryan Propper, Jan 02 2007
Numbers corresponding to a(19)-a(24) are probable primes.
There is no further term up to 8300. (End)
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LINKS
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EXAMPLE
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727 = 6! + 7 is a prime but 8! +11 is composite hence 6 is a member but 8 is not.
7 is in the sequence because 7!=5040,NextPrime[7]=11 and 5040+11 is prime.
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MATHEMATICA
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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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Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 16 2003
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EXTENSIONS
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STATUS
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approved
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