%I A086228
%S A086228 1,3,15,140,2520,88704,6150144,843448320,229417943040,123987652771840,
%T A086228 133311524260282368,285432092670742757376,1217843595395169098137600,
%U A086228 10360289146303272377017958400,175805226564926843718814452940800
%N A086228 Determinant of n X n matrix M(i,j)=binomial(2i+1, j).
%F A086228 a(n) = 2^(n*(n-3)/2)*(n+1)*binomial(2*n+1, n)
%Y A086228 Cf. A001803.
%Y A086228 Sequence in context: A113379 A163949 A005816 this_sequence A162078 A136519 
               A102556
%Y A086228 Adjacent sequences: A086225 A086226 A086227 this_sequence A086229 A086230 
               A086231
%K A086228 nonn
%O A086228 0,2
%A A086228 Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 28 2003