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Search: id:A028453
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A028453 Number of perfect matchings in graph P_{3} X P_{4} X P_{n}. +0
1
11, 1845, 117805, 10885344, 858626465, 72926048233, 5978148553531, 498776151252389, 41250197689850048, 3426717195626372141, 284023348462456779971, 23568180558085521390777 (list; graph; listen)
OFFSET

1,1

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.

LINKS

Per Hakan Lundow, Enumeration of matchings in polygraphs, 1998.

CROSSREFS

Sequence in context: A076168 A053884 A027880 this_sequence A024151 A114354 A167249

Adjacent sequences: A028450 A028451 A028452 this_sequence A028454 A028455 A028456

KEYWORD

nonn

AUTHOR

Per Hakan Lundow (phl(AT)theophys.kth.se)

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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