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A050582
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Numbers k such that 113*2^k-1 is prime.
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0
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8, 14, 74, 80, 274, 334, 590, 608, 614, 650, 1016, 1814, 1904, 4400, 5474, 144866, 174898, 343214, 422866, 464386, 572966, 1389674, 1425998
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[1000], PrimeQ[113*2^# - 1] & ] (* Robert Price, Dec 23 2018 *)
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PROG
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CROSSREFS
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KEYWORD
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hard,nonn,more
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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
a(21)-a(23) from the Wilfrid Keller link by Robert Price, Dec 23 2018
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STATUS
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approved
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