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A028478
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Number of perfect matchings in graph C_{7} X P_{2n}.
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0
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29, 1471, 79808, 4375897, 240378643, 13209069847, 725898384359, 39891876471539, 2192269974717929, 120476898663671488, 6620847045486150863, 363850801995789860221, 19995539171949615541457
(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: A049657 A091994 A126555 * A042627 A042624 A190826
Adjacent sequences: A028475 A028476 A028477 * A028479 A028480 A028481
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KEYWORD
| nonn
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AUTHOR
| Per Hakan Lundow (phl(AT)theophys.kth.se)
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