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A028481
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Number of perfect matchings in graph C_{10} X P_{n}.
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0
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2, 125, 1452, 37584, 631750, 13344409, 248864088, 4964424625, 95464562688, 1872712598261, 36340255066500, 709361528836661, 13802335712555182, 269027285006250000, 5238744073324512432, 102066374099541816889
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| 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.
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LINKS
| Per Hakan Lundow, Enumeration of matchings in polygraphs, 1998.
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CROSSREFS
| Sequence in context: A183720 A042921 A123006 * A049659 A157070 A064070
Adjacent sequences: A028478 A028479 A028480 * A028482 A028483 A028484
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KEYWORD
| nonn
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AUTHOR
| Per Hakan Lundow (phl(AT)theophys.kth.se)
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