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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113205 Same as A002880, but with orientation-reversing isomorphisms forbidden. 3
1, 0, 1, 1, 3, 2, 12, 16, 59, 133, 445, 1248, 4162, 13014, 43474, 143304, 484444, 1639388, 5617205, 19332596, 67048051, 233691112, 819121608, 2884443024, 10204104900, 36247138920, 129264732757, 462661038926, 1661637913984 (list; graph; refs; listen; history; text; internal format)
OFFSET

6,5

LINKS

Table of n, a(n) for n=6..34.

G. Brinkmann, S. Greenberg, C. Greenhill, B. D. McKay, R. Thomas, and P. Wollan, Generation of simple quadrangulations of the sphere, Discr. Math., 305 (2005), 33-54.

Gunnar Brinkmann and Brendan McKay, plantri and fullgen programs for generation of certain types of planar graph.

Gunnar Brinkmann and Brendan McKay, plantri and fullgen programs for generation of certain types of planar graph [Cached copy, pdf file only, no active links, with permission]

CROSSREFS

Cf. A113201, A078666, A007022, A002880, A113202, A113203, A113204.

Sequence in context: A152550 A114798 A167639 * A136657 A006774 A086551

Adjacent sequences:  A113202 A113203 A113204 * A113206 A113207 A113208

KEYWORD

nonn,changed

AUTHOR

N. J. A. Sloane, Jan 07 2006

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 September 22 12:42 EDT 2019. Contains 327307 sequences. (Running on oeis4.)