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A114942 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). 1
22, 3232, 312311, 33233233, 3332113312, 332121111132, 23221212122321, 3332312213121123, 333333312213223231, 33121121231232213233, 3332312112213222213313, 333333332322313223212311 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..13.

EXAMPLE

a(3) = 3232 (base 4) because the 3rd number coprime to 4 is 5, and 5 does not divide any substring of a(3).

CROSSREFS

Sequence in context: A078275 A200805 A128854 * A155885 A218719 A109776

Adjacent sequences:  A114939 A114940 A114941 * A114943 A114944 A114945

KEYWORD

nonn,base

AUTHOR

Don Reble, Feb 20 2006

STATUS

approved

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Last modified September 20 03:40 EDT 2020. Contains 337264 sequences. (Running on oeis4.)