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A003212 Cluster series for diamond.
(Formerly M3449)
0
1, 4, 12, 36, 108, 264, 708, 1668, 4536, 10926, 28416 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

J. W. Essam, Percolation and cluster size, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2; see especially pp. 225-226.

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

M. F. Sykes and J. W. Essam, Critical percolation probabilities by series methods, Phys. Rev., 133 (1964), A310-A315.

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A237045 A171849 A199937 * A156945 A006817 A163315

Adjacent sequences:  A003209 A003210 A003211 * A003213 A003214 A003215

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 19 00:07 EDT 2014. Contains 240735 sequences.