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A215536
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Numbers n such that 87^n - 86^n is prime.
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2
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Prime[Range[PrimePi[1000]]], PrimeQ[87^# - 86^#] &] (* T. D. Noe, Aug 15 2012 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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EXTENSIONS
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a(4) from Robert Price (computer run by Adam Marciniec), May 11 2015
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STATUS
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approved
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