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A033511 Number of matchings in graph P_{8} X P_{n} 2
34, 7573, 1222550, 211351945, 36012826776, 6158217253688, 1052091957273408, 179788343101980135, 30721240815429999078, 5249581929453966097649, 897032469743945346623442, 153282416794739031814924079 (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: A187708 A199837 A005334 * A189448 A200461 A177324

Adjacent sequences:  A033508 A033509 A033510 * A033512 A033513 A033514

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 15:44 EST 2012. Contains 206050 sequences.