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A226708
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Least number k such that 6^(2^i) + k is prime for i = 0,1,..,n-1.
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0
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OFFSET
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1,4
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COMMENTS
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a(5) = 77 because k = 77 is the minimal k such that N = 6^(2^i) + k is prime for i = 0, 1, 2, 3, 4; N = 83, 113, 1373, 1679693, 2821109907533. But 6^(2^5) + 77 is divisible by 79 and another prime.
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LINKS
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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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