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A295124
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a(n) = smallest number k with n prime factors such that 2d + k/d is prime for every d | k.
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2
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OFFSET
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0,2
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COMMENTS
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Such k must be an odd squarefree number.
a(n) has 2^n divisors and each gives another prime.
Conjecture: the sequence is infinite. It is hard to believe!
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LINKS
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FORMULA
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CROSSREFS
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Subsequence of A244520 (2d + k/d is prime for every d|k).
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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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