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A092791
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Numbers n such that (n-1)! + n is prime.
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2
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OFFSET
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1,2
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Range[80], PrimeQ[(# - 1)! + #] &] (* Jayanta Basu, Apr 19 2013 *)
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PROG
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(PARI) pm1factpp(n) = { forprime(p=1, n, c=0; y=(p-1)!+p; if(isprime(y), print1(p", ")) ) }
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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