%I #20 Mar 05 2020 03:18:56
%S 1,1,1,0,1,0,0,0,1,0,0,0,1,0,0,0,5,0,0,0,3,0,0,0,60,0,0,0,487,0,0,0,
%T 13710027,0,0,0
%N Number of Hadamard matrices of order n.
%D See A007299 for references.
%H See A007299 for links.
%H <a href="/index/Ha#Hadamard">Index entries for sequences related to Hadamard matrices</a>
%H <a href="/index/De#determinants">Index entries for sequences related to maximal determinants</a>
%Y A007299 is the main entry for this sequence. Cf. A003432.
%K nonn,nice,hard,more
%O 0,17
%A _N. J. A. Sloane_
%E a(32) from the H. Kharaghani and B. Tayfeh-Rezaie paper. - _N. J. A. Sloane_, Feb 11 2012
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