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A028453
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Number of perfect matchings in graph P_{3} X P_{4} X P_{n}.
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0
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11, 1845, 117805, 10885344, 858626465, 72926048233, 5978148553531, 498776151252389, 41250197689850048, 3426717195626372141, 284023348462456779971, 23568180558085521390777
(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: A076168 A053884 A027880 * A024151 A114354 A167249
Adjacent sequences: A028450 A028451 A028452 * A028454 A028455 A028456
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KEYWORD
| nonn
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AUTHOR
| Per Hakan Lundow (phl(AT)theophys.kth.se)
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