0,2

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.

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

Sequence in context: A132053 A113853 A030248 this_sequence A077728 A093724 A130705

Adjacent sequences: A033532 A033533 A033534 this_sequence A033536 A033537 A033538

nonn

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