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A033526 Number of matchings in graph P_{2} X P_{3} X P_{n} 0
22, 1511, 90040, 5493583, 334056618, 20324827981, 1236501116120, 75226160041933, 4576591071807054, 278429681683117411, 16939044773645481920, 1030533959174319758227, 62695402974582513118434 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

REFERENCES

Per Hakan Lundow, "Computation of matching polynomials and the number of 1-factors in polygraphs", Research reports, No 12, 1996, Department of Mathematics, Umea University.

LINKS

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

CROSSREFS

Sequence in context: A160259 A055475 A160309 * A078399 A199836 A196705

Adjacent sequences:  A033523 A033524 A033525 * A033527 A033528 A033529

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 07:16 EST 2012. Contains 205589 sequences.