%I #5 Mar 30 2012 18:39:23
%S 1,3,900,16464000,19061082810000,1438322180987553878016,
%T 7234500281404807826660044800000,
%U 2467969483765439710971533630106501120000000
%N a(n)=1/det(M(n)) where M(n) is the n X n matrix with element 1/binomial(n+i+j,n).
%o (PARI) a(n)=1/matdet(matrix(n,n,i,j,1/binomial(n+i+j,n)))
%Y Cf. A062381, A067689.
%K nonn
%O 0,2
%A _Benoit Cloitre_, Jun 05 2004
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