A033522 Number of matchings in graph C_{10} X P_{n}.

1, 123, 117732, 85579087, 65035723280, 49125060601108, 37140865202938885, 28076586641702173315, 21224865471367565301932, 16045172079162180370051008, 12129530424108426130365136337, 9169456015979482738524196819196, 6931754273289828570289322265111621

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: A362497 A289331 A334181 * A214464 A288353 A080537

Adjacent sequences: A033519 A033520 A033521 * A033523 A033524 A033525

Keyword

nonn

Author

Per H. Lundow

Status

approved