0,3
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 120.
G. Nebe and N. J. A. Sloane, Home page for this lattice
Sequence in context: A050650 A106536 A023925 this_sequence A040790 A040789 A040791
Adjacent sequences: A022064 A022065 A022066 this_sequence A022068 A022069 A022070
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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