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A274239
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Numbers n such that 9^n + 8^(n+1) is prime.
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0
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1, 2, 5, 20, 53, 161, 380, 500, 530, 698, 832, 833, 6353, 25433, 53921, 73538
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OFFSET
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1,2
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COMMENTS
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a(17) > 10^5.
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LINKS
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MATHEMATICA
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Select[Range[0, 100000], PrimeQ[9^# + 8^(# + 1)] &]
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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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STATUS
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approved
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