%I A067387
%S A067387 3,5,17,257,65537,641,6700417,274177,67280421310721,59649589127497217
%N A067387 Duplicate of A050922.
%Y A067387 Sequence in context: A164307 A125045 A093179 this_sequence A050922 A070592 
               A000215
%Y A067387 Adjacent sequences: A067384 A067385 A067386 this_sequence A067388 A067389 
               A067390
%K A067387 dead
%O A067387 1,1