A033528 - OEIS

%I #9 Dec 09 2013 10:30:57

%S 1,228,305184,334056618,376940962215,423657524608288,

%T 476450515130518749,535774070372040050788,602492787376187496898304,

%U 677518242019979197787376936,761886547661136372157201911987,856760801962209647160995669509984,963449325363457811035756544808212891

%N Number of matchings in graph P_{2} X P_{5} X P_{n}.

%D 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.

%H Alois P. Heinz, <a href="/A033528/b033528.txt">Table of n, a(n) for n = 0..200</a>

%H Per Hakan Lundow, <a href="http://www.theophys.kth.se/~phl/Text/1factors2.ps.gz">Enumeration of matchings in polygraphs</a>, 1998.

%K nonn

%O 0,2

%A _Per H. Lundow_