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).

3, 42, 333, 43431, 444234, 4343434, 44442113, 4434333131, 43433423421, 444342132443, 4444434444114, 444344434443444, 4444444244242143, 44444344444311111, 444444442312244142, 44444343333321221114

Offset: 2

Author

Don Reble, Feb 20 2006

Keywords

• nonn
• base

Examples

			a(3) = 42 (base 5) because the 3rd number coprime to 5 is 3, and 3 does not divide any substring of a(3).