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A050845
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Numbers n such that 187*2^n-1 is prime.
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0
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1, 17, 21, 53, 253, 2173, 3313, 5197, 5333, 6929, 28017, 40429, 47877, 80617, 110513, 139673, 141201, 263093, 379649, 483153
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OFFSET
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1,2
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LINKS
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PROG
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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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EXTENSIONS
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More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
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STATUS
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approved
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