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A275687
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Difference between the smallest 10^n-digit member of a sexy prime quadruple and 10^(10^n - 1), or 0 if no such 10^n-digit number exists.
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0
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OFFSET
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0,2
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COMMENTS
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a(0) = 0 because {5, 11, 17, 23, 29) is a sexy prime 5-tuple and this is the only sexy prime 5-tuple.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base,hard,more
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AUTHOR
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STATUS
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approved
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