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A217354
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Numbers n such that 8^n + 3 is prime.
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6
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1, 2, 4, 5, 6, 10, 28, 76, 130, 370, 568, 713, 789, 790, 1334, 1354, 1849, 2913, 5729, 5740, 5978, 6908, 10618, 11918, 12748, 13449, 40850, 68654, 78442, 121040, 159948, 228526
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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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MATHEMATICA
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Select[Range[5000], PrimeQ[8^# + 3] &]
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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