A008370 Number of orbits on points that are at n steps from 0 in D_5 lattice.

1, 1, 4, 7, 14, 22, 37, 53, 80, 109, 153, 200, 267

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: A147440 A146678 A146417 * A291877 A048241 A003404

Adjacent sequences: A008367 A008368 A008369 * A008371 A008372 A008373

Keyword

nonn

Author

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

Status

approved