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A058593
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Numbers k such that 7*2^k - 3 is prime.
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2
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1, 3, 4, 8, 9, 12, 15, 19, 23, 24, 33, 75, 92, 128, 139, 140, 167, 235, 284, 504, 524, 779, 804, 912, 1104, 1439, 4680, 4875, 5843, 9033, 9320, 13168, 14305, 15800, 16192, 24135, 26728, 47535, 50215, 52227, 54612
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OFFSET
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1,2
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COMMENTS
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LINKS
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MATHEMATICA
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Do[ If[ PrimeQ[ 7*2^n - 3 ], Print[ n ] ], {n, 1, 5222} ]
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PROG
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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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