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A007198 Number of n-node animals on f.c.c. lattice.
(Formerly M2922)
+0
1
1, 3, 12, 52, 238, 1125, 5438, 26715, 132871, 667312, 3377906, 17210522, 88169685, 453810095, 2345209383, 12162367228, 63270384303 (list; graph; listen)
OFFSET

1,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

I. Dutour, Animaux dirig\'{e}s et approximations de s\'{e}ries g\'{e}n\'{e}ratrices, M\'{e}moire de DEA, 1992, Universit\'{e} Bordeaux I.

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

CROSSREFS

Sequence in context: A151196 A010736 A151197 this_sequence A000256 A124202 A138269

Adjacent sequences: A007195 A007196 A007197 this_sequence A007199 A007200 A007201

KEYWORD

nonn

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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