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A059454
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Numbers k such that 2*3^k - 7 is prime.
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3
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2, 3, 5, 6, 9, 14, 39, 51, 73, 101, 155, 183, 286, 291, 310, 313, 335, 570, 951, 1011, 1183, 1930, 2586, 3423, 6486, 7791, 11586, 14290, 18590, 29595, 35286
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OFFSET
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1,1
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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, 1, 5700} ]
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PROG
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(Magma) [n: n in [1..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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EXTENSIONS
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STATUS
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approved
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