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A059326
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Numbers k such that 2*3^k + 7 is prime.
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1
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1, 3, 9, 11, 15, 17, 24, 41, 68, 72, 641, 716, 1139, 1200, 1661, 3339, 5181
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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[ 2*3^n + 7 ], Print[n] ], {n, 0, 10000} ]
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PROG
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(Magma) [n: n in [0..1000] | IsPrime(2*3^n+7)]; // Jinyuan Wang, Jan 20 2020
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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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STATUS
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approved
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