A033533 Number of matchings in graph P_{4} X P_{4} X P_{n}.

1, 10012, 1441534384, 154620656140976, 17312701462385916505, 1926836037115087006553088, 214664979834173287380956088153, 23911146651705731250582573707211200

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

Table of n, a(n) for n=0..7.

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

Crossrefs

Sequence in context: A096211 A190149 A052095 * A146505 A202653 A210130

Adjacent sequences: A033530 A033531 A033532 * A033534 A033535 A033536

Keyword

nonn

Author

Per H. Lundow

Status

approved