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A177093
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Numbers n such that 9^n-8 is prime.
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5
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2, 4, 7, 10, 11, 31, 127, 136, 215, 953, 1139, 1799, 3406, 7633, 13090, 13171, 13511, 32593
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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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MAPLE
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MATHEMATICA
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PROG
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(Magma) [n: n in [1..900]| IsPrime(9^n-8)]
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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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