1,1

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.

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

Adjacent sequences: A028443 A028444 A028445 this_sequence A028447 A028448 A028449

Sequence in context: A013850 A131678 A029983 this_sequence A058470 A058434 A067487

nonn,bref,more

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