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A177502
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Prime numbers p such that (p-2)! + 1 is prime.
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0
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(1)=2 because (2-2)! + 1 = 0! + 1 = 1 + 1 = 2.
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MATHEMATICA
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aa = {}; Do[p = Prime[n]; If[PrimeQ[(p - 2)! + 1], AppendTo[aa, p]], {n, 1, 10000}]; aa (* Artur Jasinski, May 19 2010 *)
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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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