0,3

J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (Abstract, pdf, ps).

Sequence in context: A092321 A026353 A067773 this_sequence A005697 A115618 A019479

Adjacent sequences: A008369 A008370 A008371 this_sequence A008373 A008374 A008375

nonn

N. J. A. Sloane (njas(AT)research.att.com) and J. H. Conway (conway(AT)math.princeton.edu)