%I A140590
%S A140590 3,2,9,5,33,17,129,65,513,257,2049,1025,8193,4097,32769,16385
%N A140590 Exchange successive pairs of terms of A000051.
%Y A140590 Sequence in context: A064614 A016650 A033313 this_sequence A164279 A125152 
               A082819
%Y A140590 Adjacent sequences: A140587 A140588 A140589 this_sequence A140591 A140592 
               A140593
%K A140590 nonn
%O A140590 0,1
%A A140590 Paul Curtz (bpcrtz(AT)free.fr), Jul 06 2008