0,6
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: A062012 A104786 A104787 this_sequence A022064 A156462 A040488
Adjacent sequences: A023919 A023920 A023921 this_sequence A023923 A023924 A023925
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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