%I A037964
%S A037964 0,4,32,472,6400,92504,1351616,20060016,300533760,4537591960,
%T A037964 68923172032,1052049834576,16123800489472,247959271674352,
%U A037964 3824345280321920,59132290859989472,916312070170755072
%N A037964 Binomial(4*n,2*n)/2-(-1)^n*binomial(2*n,n)/2.
%D A037964 The right-hand side of a binomial coefficient identity in H. W. Gould, 
               Combinatorial Identities, Morgantown, 1972.
%Y A037964 Sequence in context: A088991 A009668 A005121 this_sequence A089285 A086906 
               A034663
%Y A037964 Adjacent sequences: A037961 A037962 A037963 this_sequence A037965 A037966 
               A037967
%K A037964 nonn
%O A037964 0,2
%A A037964 N. J. A. Sloane (njas(AT)research.att.com).