login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A185306 Number of maximally nonhamiltonian graphs on n vertices. 0
0, 1, 1, 1, 3, 3, 7, 9, 18, 31 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Using the conventions than K_1 is Hamiltonian (so a(1) = 0) and K_2 is maximally nonhamiltonian (so a(2) = 1).

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Maximally Nonhamiltonian Graph

CROSSREFS

Sequence in context: A066983 A048240 A122012 * A320314 A056295 A117525

Adjacent sequences:  A185303 A185304 A185305 * A185307 A185308 A185309

KEYWORD

nonn,hard,more

AUTHOR

Eric W. Weisstein, Aug 29 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 22 21:29 EDT 2021. Contains 345393 sequences. (Running on oeis4.)