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A122724
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Primes p such that (2p)! - 1 is also prime.
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0
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OFFSET
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1,1
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COMMENTS
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Corresponding primes of the form (2p)! - 1 are {23,719,87178291199,523022617466601111760007224100074291199999999,...}.
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LINKS
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CROSSREFS
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KEYWORD
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hard,more,nonn
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AUTHOR
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STATUS
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approved
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