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A114908
a(n) is the largest base-6 string such that the n-th number coprime to 6 does not divide any substring of a(n).
1
4444, 545421, 5555521412, 555555514322, 5555555551435323, 555555553453434223, 5555555551222222222314, 555545555455554555545555, 5555555555555441321122544214, 555554544444352442424321331153
OFFSET
2,1
EXAMPLE
a(3) = 545421 (base 6) because the 3rd number coprime to 6 is 7, and 7 does not divide any substring of a(3).
CROSSREFS
Sequence in context: A091739 A166582 A043508 * A102622 A280485 A236906
KEYWORD
nonn,base
AUTHOR
Don Reble, Feb 20 2006
STATUS
approved