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A118339 Number of simple chains with n-1 edges strongly embedded in a simple cubic lattice. 2
1, 3, 15, 63, 267, 1107, 4623, 19071, 78987, 324543, 1337511, 5483235, 22527315, 92200455, 377965479, 1544925891, 6322891707 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Gaunt et al. also enumerate clusters with upper limits on the vertex degree.
LINKS
D. S. Gaunt, J. L. Martin et al., Restricted valence site animals on the simple cubic lattice, J. Phys. A: Math. Gen. 13 (1980) 1791-1797
CROSSREFS
Sequence in context: A103454 A024036 A111303 * A083858 A151241 A080948
KEYWORD
nonn
AUTHOR
R. J. Mathar, May 14 2006
STATUS
approved

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Last modified August 29 23:09 EDT 2024. Contains 375519 sequences. (Running on oeis4.)