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A008371 Number of orbits on points that are at n steps from 0 in D_6 lattice. 0
1, 1, 4, 8, 16, 27, 47, 72, 112, 163, 235, 325, 448 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..12.

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

CROSSREFS

Sequence in context: A257279 A299894 A025197 * A303544 A273029 A273080

Adjacent sequences:  A008368 A008369 A008370 * A008372 A008373 A008374

KEYWORD

nonn

AUTHOR

N. J. A. Sloane and J. H. Conway

STATUS

approved

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Last modified June 17 18:57 EDT 2019. Contains 324198 sequences. (Running on oeis4.)