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Numbers whose base-3 and base-6 expansions have no digits in common.
1

%I #10 Jun 21 2021 02:49:20

%S 3,4,5,21,22,23,27,28,29,33,34,35,93,94,129,130,131,135,136,137,141,

%T 142,143,148,149,165,166,167,171,172,173,177,178,179,201,202,203,207,

%U 208,209,213,214,215,741,742,777,778,779,783,784

%N Numbers whose base-3 and base-6 expansions have no digits in common.

%H Vincenzo Librandi, <a href="/A037347/b037347.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[1000],Intersection[IntegerDigits[#,3],IntegerDigits[#,6]]=={}&] (* _Vincenzo Librandi_, Jun 07 2012 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_