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%I M4501 #13 Jun 14 2015 21:15:40
%S 8,28,32,56,64,68,72,92
%N Determinants of indecomposable indefinite ternary quadratic forms.
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 399.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A. Schiemann, <a href="http://www.math.rwth-aachen.de/~Gabriele.Nebe/LATTICES/index.html#cryst">Brandt-Intrau tables recomputed</a>
%Y Cf. A006377, A071136.
%K nonn,nice
%O 1,1
%A _N. J. A. Sloane_
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