A006798 A subclass of 2n-node trivalent planar graphs without triangles. (Formerly M3470)

1, 1, 4, 13, 58, 279, 1406, 7525

Offset

8,3

References

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

Links

Table of n, a(n) for n=8..15.

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.

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: A149483 A149484 A149485 * A158267 A219572 A026663

Adjacent sequences: A006795 A006796 A006797 * A006799 A006800 A006801

Keyword

nonn,more

Author

N. J. A. Sloane.

Status

approved