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!)
A118560 Face-pairing graphs (see reference for precise definition). 1
2, 4, 8, 14, 29, 66, 143, 404 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..10.

B. A. Burton, Enumeration of non-orientable 3-manifolds using face-pairing graphs and union-find, Discrete and Computational Geometry, 38 (2007), 527-571.

CROSSREFS

Sequence in context: A004651 A283835 A244933 * A187813 A038024 A061297

Adjacent sequences:  A118557 A118558 A118559 * A118561 A118562 A118563

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 01 2007

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 July 12 15:09 EDT 2020. Contains 335665 sequences. (Running on oeis4.)