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A152213
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Numbers n such that 7^n + 12 is prime.
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9
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0, 1, 2, 9, 66, 164, 221, 224, 2058, 3224, 12284, 13457, 22277, 22761, 83381
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OFFSET
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1,3
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Range[0, 84000], PrimeQ[7^#+12]&] (* Harvey P. Dale, Dec 03 2017 *)
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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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Huseyin Azoguz (huseyin(AT)mmnetz.de), Nov 29 2008
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EXTENSIONS
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STATUS
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approved
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