A008372 - OEIS

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A008372

Number of orbits on points that are at n steps from 0 in D_7 lattice.

1, 1, 4, 8, 17, 30, 54, 86, 139, 209, 313, 448, 638 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	LINKS	`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).`
	CROSSREFS	`Sequence in context: A092321 A026353 A067773 * A005697 A115618 A019479` `Adjacent sequences: A008369 A008370 A008371 * A008373 A008374 A008375`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com) and J. H. Conway (conway(AT)math.princeton.edu)`

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Last modified February 17 13:13 EST 2012. Contains 206031 sequences.