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A114910
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a(n) is the largest base-8 string such that the n-th number coprime to 8 does not divide any substring of a(n).
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1
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75, 7773, 666666, 76764321, 7777777112, 777677767456, 77756664344152, 7777777577731365, 777776766661314425, 76767676767643755321, 7777777777376745252236, 777777777777777777374555
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OFFSET
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2,1
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LINKS
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EXAMPLE
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a(3) = 7773 (base 8) because the 3rd number coprime to 8 is 5; and 5 does not divide any substring of a(3).
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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