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A114922 a(n) is the largest base-10 string such that the n-th number coprime to 10 does not divide any substring of a(n). 1
88, 999993, 88888888, 9898654321, 999998986863, 9999999999924214, 999999999999962944, 99999899999899978513, 9999999999999999976315, 99899899899899899899899899, 9999999999999999999999912715 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

EXAMPLE

a(3) = 999993 (base 10) because the 3th number coprime to 10 is 7; and 7 does not divide any substring of a(3).

CROSSREFS

Sequence in context: A079036 A159420 A093222 * A036951 A051328 A166321

Adjacent sequences:  A114919 A114920 A114921 * A114923 A114924 A114925

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net), Feb 17 2006

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Last modified February 13 23:23 EST 2012. Contains 205567 sequences.