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A006798 A subclass of 2n-node trivalent planar graphs without triangles.
(Formerly M3470)
+0
1
1, 1, 4, 13, 58, 279, 1406, 7525 (list; graph; listen)
OFFSET

8,3

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.

LINKS

P. Flajolet and R. Schott, Non-overlapping Partitions, Continued Fractions, Bessel Functions and a Divergent Series In European Journal of Combinatorics, Vol. 11, 1990, pp. 412-432.

CROSSREFS

Sequence in context: A149483 A149484 A149485 this_sequence A158267 A026663 A149486

Adjacent sequences: A006795 A006796 A006797 this_sequence A006799 A006800 A006801

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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