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A033509 Number of matchings in graph P_{6} X P_{n} 1
13, 733, 31687, 1453535, 65805403, 2989126727, 135658637925, 6158217253688, 279533139565077, 12688781322524383, 575975678462394151, 26145024935911561519, 1186789728933332428003, 53871436268769248658909 (list; graph; refs; listen; history; internal format)
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 * A060825 A182932 A189446

Adjacent sequences:  A033506 A033507 A033508 * A033510 A033511 A033512

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 10:23 EST 2012. Contains 205904 sequences.