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A140669
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Numbers n such that (n+1)^(n+1) - n^n is prime.
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1
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OFFSET
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1,2
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COMMENTS
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Terms found with PrimeForm. Primes corresponding to 16, 105 and 119 certified with Primo. 7917 corresponds to a 30870-digit probable prime.
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LINKS
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EXAMPLE
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17^17 - 16^16 = 808793517812627212561, which is prime, so 16 is a term.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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hard,nonn
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AUTHOR
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STATUS
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approved
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