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A006795
A subclass of 2n-node trivalent planar graphs without triangles.
(Formerly M1936)
0
1, 2, 9, 43, 212, 1115, 6156, 34693, 199076
OFFSET
7,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
D. A. Holton and B. D. McKay, The smallest non-hamiltonian 3-connected cubic planar graphs have 38 vertices, J. Combinat. Theory B vol 45, iss. 3 (1988) 305-319.
D. A. Holton and B. D. McKay, Erratum, J. Combinat. Theory B vol 47, iss. 2 (1989) 248.
CROSSREFS
Sequence in context: A002310 A309986 A055728 * A055824 A334680 A324619
KEYWORD
nonn,more
AUTHOR
STATUS
approved