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: A075479 A081222 A033412 this_sequence A057702 A039549 A101287
Adjacent sequences: A015233 A015234 A015235 this_sequence A015237 A015238 A015239
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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