0,2
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p 102 eq 9.
Sequence in context: A091441 A099490 A033724 this_sequence A033736 A033760 A136513
Adjacent sequences: A033745 A033746 A033747 this_sequence A033749 A033750 A033751
nonn
njas
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