A008337 - OEIS

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A008337

Number of orbits on points that are at n steps from 0 in E_8 lattice.

1, 1, 3, 5, 10, 15, 27, 40, 63, 91, 134, 188, 265 (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).` `G. Nebe and N. J. A. Sloane, Home page for this lattice`
	CROSSREFS	`Sequence in context: A132302 A097513 A045513 * A077285 A072523 A054473` `Adjacent sequences: A008334 A008335 A008336 * A008338 A008339 A008340`
	KEYWORD	`nonn,hard`
	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 00:09 EST 2012. Contains 205978 sequences.