A028446 Number of perfect matchings in graph P_{2n} X P_{2n} X P_{2n}.
1, 9, 5051532105
Offset: 0
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.