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A028454
Number of perfect matchings in graph P_{4} X P_{4} X P_{n}.
3
1, 36, 32000, 10885344, 5051532105, 2132137503232, 932814464901633, 403325499406267520, 175220727982196365632, 75996591204223021534740, 32983893365927357595999561, 14312021563707748863632803328, 6210770058902782255142931025577
OFFSET
0,2
LINKS
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.
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved