login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A006795 A subclass of 2n-node trivalent planar graphs without triangles.
(Formerly M1936)
0
1, 2, 9, 43, 212, 1115, 6156, 34693, 199076 (list; graph; refs; listen; history; internal format)
OFFSET

7,2

REFERENCES

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.

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

CROSSREFS

Sequence in context: A018960 A002310 A055728 * A055824 A020113 A163650

Adjacent sequences:  A006792 A006793 A006794 * A006796 A006797 A006798

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 13 22:36 EST 2012. Contains 205567 sequences.