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A006796 A subclass of 2n-node trivalent planar graphs without triangles.
(Formerly M0886)
+0
1
2, 3, 8, 22, 77, 285, 1259, 5863, 29322, 151308 (list; graph; listen)
OFFSET

6,1

REFERENCES

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

D. A. Holton and B. D. McKay, The smallest non-hamiltonian 3-connected cubic planar graphs have 38 vertices, J. Combinat. Theory, B 45 (1988), 305-319.

CROSSREFS

Sequence in context: A121050 A089402 A127940 this_sequence A006076 A086628 A032096

Adjacent sequences: A006793 A006794 A006795 this_sequence A006797 A006798 A006799

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 21 21:21 EST 2009. Contains 167310 sequences.


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