Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A033509
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A033509 Number of matchings in graph P_{6} X P_{n} +0
2
13, 733, 31687, 1453535, 65805403, 2989126727, 135658637925, 6158217253688, 279533139565077, 12688781322524383, 575975678462394151, 26145024935911561519, 1186789728933332428003, 53871436268769248658909 (list; graph; listen)
OFFSET

0,1

REFERENCES

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

LINKS

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

CROSSREFS

Sequence in context: A108223 A114355 A086157 this_sequence A060825 A123838 A096084

Adjacent sequences: A033506 A033507 A033508 this_sequence A033510 A033511 A033512

KEYWORD

nonn

AUTHOR

Per Hakan Lundow (phl(AT)theophys.kth.se)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research