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Number of perfect matchings in graph P_{2n} X P_{2n} X P_{2n}.
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%I #7 Dec 09 2013 18:32:57

%S 1,9,5051532105

%N Number of perfect matchings in graph P_{2n} X P_{2n} X P_{2n}.

%D 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.

%H Per Hakan Lundow, <a href="http://www.theophys.kth.se/~phl/Text/1factors2.ps.gz">Enumeration of matchings in polygraphs</a>, 1998.

%K nonn,bref,more

%O 0,2

%A _Per H. Lundow_