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A219050
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Numbers k such that 3^k + 34 is prime.
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16
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1, 2, 3, 5, 7, 9, 10, 17, 27, 34, 51, 57, 61, 89, 98, 171, 547, 569, 769, 874, 1105, 2198, 2307, 3937, 4685, 5105, 5582, 11131, 11821, 15902, 24626, 36401, 46195, 50974, 65198, 66685
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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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EXAMPLE
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For k = 2, 3^2 + 34 = 43 (prime), so 2 is in the sequence.
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MATHEMATICA
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Do[If[PrimeQ[3^n + 34], Print[n]], {n, 10000}]
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PROG
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CROSSREFS
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Cf. Sequences of numbers k such that 3^k + m is prime:
(m = 32) A219048, (m = -32) A219049, (m = 34) A219050, (m = -34) A219051. Note that if m is a multiple of 3, 3^k + m is also a multiple of 3 (for k greater than 0), and as such isn't prime.
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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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