%I A052397
%S A052397 1,2,6,24,119,694,4582,33324,261808,2190688,19318688,178108704
%N A052397 Duplicate of A047889.
%Y A052397 Sequence in context: A135106 A005394 A095818 this_sequence A047889 A094198 
               A071077
%Y A052397 Adjacent sequences: A052394 A052395 A052396 this_sequence A052398 A052399 
               A052400
%K A052397 dead
%O A052397 0,2