id:A114910 - OEIS Search Results

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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).

+0
2

75, 7773, 666666, 76764321, 7777777112, 777677767456, 77756664344152, 7777777577731365, 777776766661314425, 76767676767643755321, 7777777777376745252236, 777777777777777777374555 (list; graph; listen)

	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: A075913 A134228 A110902 this_sequence A093275 A116527 A085404` `Adjacent sequences: A114907 A114908 A114909 this_sequence A114911 A114912 A114913`
	KEYWORD	`nonn,base`
	AUTHOR	`Don Reble (djr(AT)nk.ca), Feb 20 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research