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A122511
Number of n-node labeled trivalent (or cubic) graphs with connectivity 1.
1
0, 0, 0, 0, 113400, 134719200, 206367361200, 441231126336000, 1314804135572928000, 5371366122198236160000, 29519910833205467394720000, 214250468144929272764547840000
OFFSET
1,5
REFERENCES
R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1977.
LINKS
CROSSREFS
Sequence in context: A252036 A103113 A179922 * A172549 A172589 A172692
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 13 2006
STATUS
approved