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Search: id:A028487
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A028487 Number of perfect matchings in graph C_{16} X P_{n}. +0
1
2, 2209, 75272, 18241441, 1227006722, 188926707649, 16603641077888, 2122419930133441, 210276188553004802, 24741567816392584609, 2589989855253457012232, 293455063685003452121761 (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: A004908 A004813 A089981 this_sequence A073476 A051103 A005800

Adjacent sequences: A028484 A028485 A028486 this_sequence A028488 A028489 A028490

KEYWORD

nonn

AUTHOR

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

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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