A006796 A subclass of 2n-node trivalent planar graphs without triangles. (Formerly M0886)

2, 3, 8, 22, 77, 285, 1259, 5863, 29322, 151308

Offset

6,1

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=6..15.

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: A006545 A089402 A127940 * A241904 A006076 A263459

Adjacent sequences: A006793 A006794 A006795 * A006797 A006798 A006799

Keyword

nonn,more

Author

N. J. A. Sloane.

Status

approved