%I A047693
%S A047693 0,0,1,1,2,3,7,21,49,166,549
%N A047693 Erroneous version of A002863.
%Y A047693 Sequence in context: A032313 A032223 A002863 this_sequence A001532 A109456 
               A155745
%Y A047693 Adjacent sequences: A047690 A047691 A047692 this_sequence A047694 A047695 
               A047696
%K A047693 dead
%O A047693 1,5