login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Numbers whose base-4 and base-6 expansions have no digits in common.
1

%I #16 Jun 21 2021 02:50:33

%S 4,5,10,11,16,17,20,21,22,28,29,30,33,34,35,42,43,46,47,129,130,136,

%T 137,149,165,166,172,173,174,175,178,179,185,186,187,190,191,196,197,

%U 208,209,212,214,215,250,251,509,666,677,678,681

%N Numbers whose base-4 and base-6 expansions have no digits in common.

%H Vincenzo Librandi, <a href="/A037353/b037353.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[700],Intersection[IntegerDigits[#,4],IntegerDigits[#,6]]=={}&] (* _Harvey P. Dale_, Jan 29 2011 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_