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A085512
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Numbers n such that (89 + 10^(2*n+1))/99 is prime.
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0
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1, 6, 7, 15, 18, 19, 22, 174, 427, 484, 1702, 2380
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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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EXAMPLE
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a(2)=6 because (1/99)*(89 + 10^(2*6+1)) = 101010101011, a prime.
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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