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A114943
a(n) is the largest base-5 string such that the n-th number coprime to 5 does not divide any substring of a(n).
1
3, 42, 333, 43431, 444234, 4343434, 44442113, 4434333131, 43433423421, 444342132443, 4444434444114, 444344434443444, 4444444244242143, 44444344444311111, 444444442312244142, 44444343333321221114
OFFSET
2,1
EXAMPLE
a(3) = 42 (base 5) because the 3rd number coprime to 5 is 3, and 3 does not divide any substring of a(3).
CROSSREFS
Sequence in context: A340613 A157537 A322893 * A119577 A051273 A350901
KEYWORD
nonn,base
AUTHOR
Don Reble, Feb 20 2006
STATUS
approved