0,3
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 161.
G. Nebe and N. J. A. Sloane, Home page for this lattice
Sequence in context: A093634 A189182 A074887 * A062335 A179673 A082518
Adjacent sequences: A029894 A029895 A029896 * A029898 A029899 A029900
nonn
N. J. A. Sloane (njas(AT)research.att.com).