id:A114942 - OEIS Search Results

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a(n) is the largest base-4 string such that the n-th number coprime to 4 does not divide any substring of a(n).

+0
2

22, 3232, 312311, 33233233, 3332113312, 332121111132, 23221212122321, 3332312213121123, 333333312213223231, 33121121231232213233, 3332312112213222213313, 333333332322313223212311 (list; graph; listen)

	OFFSET	`2,1`
	EXAMPLE	`a(3) = 3232 (base 4) because the 3th number coprime to 4 is 5; and 5 does not divide any substring of a(3).`
	CROSSREFS	`Sequence in context: A078278 A078275 A128854 this_sequence A109776 A110802 A013727` `Adjacent sequences: A114939 A114940 A114941 this_sequence A114943 A114944 A114945`
	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