%I A158581
%S A158581 9,10,12,17,18,19,20,21,22,24,25,26,28,33,34,35,36,37,38,39,40,41,42,43,
%T A158581 44,45,46,48,49,50,51,52,53,54,56,57,58,60,65,66,67,68,69,70,71,72,73,
%U A158581 74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,96,97
%N A158581 Numbers having in binary representation at least two ones and two zeros.
%C A158581 A023416(a(n)) > 1; A000120(a(n)) > 1;
%C A158581 intersection of A158582 and A057716.
%H A158581 R. Zumkeller, <a href="b158581.txt">Table of n, a(n) for n = 1..10000</
               a>
%Y A158581 A007088.
%Y A158581 Sequence in context: A076364 A048592 A160947 this_sequence A078459 A156345 
               A078390
%Y A158581 Adjacent sequences: A158578 A158579 A158580 this_sequence A158582 A158583 
               A158584
%K A158581 nonn
%O A158581 1,1
%A A158581 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 16 2009