%I A054911
%S A054911 0,1,1,1,1,1,1,1,1,2,2,2,3,3,4,5,6,9,13,16,28,40,68,117,273,665
%N A054911 Number of n-dimensional odd unimodular lattice (or quadratic forms).
%D A054911 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", 
               Springer-Verlag, p. 49.
%H A054911 S. R. Finch, <a href="http://algo.inria.fr/bsolve/">Minkowski-Siegel 
               mass constants</a>
%Y A054911 Cf. A005134, A054907-A054909.
%Y A054911 Sequence in context: A018122 A074732 A089046 this_sequence A137267 A123576 
               A094824
%Y A054911 Adjacent sequences: A054908 A054909 A054910 this_sequence A054912 A054913 
               A054914
%K A054911 nonn,nice,hard
%O A054911 0,10
%A A054911 N. J. A. Sloane (njas(AT)research.att.com), May 23 2000