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A037345 Numbers whose base-3 and base-4 expansions have no digits in common. 1


%S 3,10,15,40,63,80,255,766,1002,1003,1023,3006,3007,4095,16383,60138,

%T 60139,60142,61354,65535,180154,245674,245754,245755,245758,256698,

%U 256699,256702,256942,256959,262143,715503,768699,768702,768703

%N Numbers whose base-3 and base-4 expansions have no digits in common.

%H Vincenzo Librandi, <a href="/A037345/b037345.txt">Table of n, a(n) for n = 1..54</a>

%t Select[Range[800000],Intersection[IntegerDigits[#,3],IntegerDigits[#,4]]=={}&] (* _Vincenzo Librandi_, Jun 07 2012 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified December 4 06:41 EST 2021. Contains 349476 sequences. (Running on oeis4.)