0,4
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.
G. Nebe and N. J. A. Sloane, Home page for this lattice
Sequence in context: A102910 A002337 A008423 this_sequence A062785 A161384 A002393
Adjacent sequences: A023915 A023916 A023917 this_sequence A023919 A023920 A023921
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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