0,5
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: A134070 A102910 A002337 this_sequence A023918 A062785 A002393
Adjacent sequences: A008420 A008421 A008422 this_sequence A008424 A008425 A008426
nonn,easy
njas
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