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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

%I #5 Oct 19 2017 03:15:00

%S 3,42,333,43431,444234,4343434,44442113,4434333131,43433423421,

%T 444342132443,4444434444114,444344434443444,4444444244242143,

%U 44444344444311111,444444442312244142,44444343333321221114

%N 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).

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

%K nonn,base

%O 2,1

%A _Don Reble_, Feb 20 2006

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)