login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028463 Number of perfect matchings in graph P_{4} X C_{4} X P_{n}. 0
1, 121, 155969, 127027769, 114249681408, 101177745416793, 89966299634302561, 79958827951928352569, 71078263639970542379841, 63183478420387429145703424, 56166200950909879145980135745, 49928308269466147536604718385017, 44383238038596676487837495423842529 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Per Hakan Lundow, "Computation of matching polynomials and the number of 1-factors in polygraphs", Research report, No 12, 1996, Department of Math., Umea University, Sweden.

LINKS

Table of n, a(n) for n=0..12.

Per Hakan Lundow, Enumeration of matchings in polygraphs, 1998.

CROSSREFS

Sequence in context: A202887 A195275 A082489 * A013749 A178192 A135825

Adjacent sequences:  A028460 A028461 A028462 * A028464 A028465 A028466

KEYWORD

nonn

AUTHOR

Per H. Lundow

EXTENSIONS

More terms from Alois P. Heinz, Dec 09 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 3 22:17 EDT 2022. Contains 357237 sequences. (Running on oeis4.)