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A033512
Number of matchings in graph P_{9} X P_{n}.
2
1, 55, 24342, 7594361, 2548684656, 842518533590, 279533139565077, 92657526436631289, 30721240815429999078, 10185111919160666118608, 3376771882017849561260401, 1119528305492897225312120742, 371166848426649070379972358241, 123056076089539426001744759117065
OFFSET
0,2
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
CROSSREFS
Column k=9 of A210662.
Sequence in context: A231826 A163036 A358785 * A201008 A172722 A221000
KEYWORD
nonn
AUTHOR
STATUS
approved