Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A008368
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A008368 Number of orbits on points that are at n steps from 0 in f.c.c. lattice. +0
2
1, 1, 3, 4, 7, 8, 13, 14, 20, 22, 29, 31, 40 (list; graph; listen)
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).

Index entries for sequences related to f.c.c. lattice

FORMULA

G.f.: (1-x^5)/((1-x)*(1-x^2)^2*(1-x^3)) [ conjecture of Simon Plouffe ].

CROSSREFS

Sequence in context: A025032 A003141 A157419 this_sequence A023054 A060023 A120355

Adjacent sequences: A008365 A008366 A008367 this_sequence A008369 A008370 A008371

KEYWORD

nonn

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research