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A033522 Number of matchings in graph C_{10} X P_{n}. 1
1, 123, 117732, 85579087, 65035723280, 49125060601108, 37140865202938885, 28076586641702173315, 21224865471367565301932, 16045172079162180370051008, 12129530424108426130365136337, 9169456015979482738524196819196, 6931754273289828570289322265111621 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

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

Alois P. Heinz, Table of n, a(n) for n = 0..200

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

CROSSREFS

Row 10 of A287428.

Sequence in context: A181006 A289331 A334181 * A214464 A288353 A080537

Adjacent sequences:  A033519 A033520 A033521 * A033523 A033524 A033525

KEYWORD

nonn

AUTHOR

Per H. Lundow

STATUS

approved

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Last modified July 6 05:39 EDT 2022. Contains 355108 sequences. (Running on oeis4.)