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A118223
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Numbers n such that n! * p(n)# - 1 is prime.
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1
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2, 3, 4, 9, 11, 12, 13, 50, 73, 81, 82, 115, 308, 405, 3818, 4608
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OFFSET
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1,1
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COMMENTS
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Fourteen terms found and primes proved by PrimeForm ([N+1, Brillhart-Lehmer-Selfridge]).
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LINKS
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EXAMPLE
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3 is a term as 3! * p(3)# - 1 = 3*2*1 * 5*3*2 - 1 = 179, a prime.
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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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