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A050598
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Numbers n such that 145*2^n-1 is prime.
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0
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5, 13, 15, 31, 77, 151, 181, 245, 445, 447, 883, 1037, 3557, 43733, 290861, 464887, 530181
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OFFSET
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1,1
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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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