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A114910 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). 1
75, 7773, 666666, 76764321, 7777777112, 777677767456, 77756664344152, 7777777577731365, 777776766661314425, 76767676767643755321, 7777777777376745252236, 777777777777777777374555 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

EXAMPLE

a(3) = 7773 (base 8) because the 3th number coprime to 8 is 5; and 5 does not divide any substring of a(3).

CROSSREFS

Sequence in context: A134228 A110902 A206696 * A093275 A116527 A085404

Adjacent sequences:  A114907 A114908 A114909 * A114911 A114912 A114913

KEYWORD

nonn,base

AUTHOR

Don Reble (djr(AT)nk.ca), Feb 20 2006

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.