A287054 - OEIS

%I #6 May 19 2017 10:01:17

%S 1,89,326041,422983905,732106008249,1176040842289105,

%T 1934824269280528177,3165986817537284900809,5192364005728133102693809,

%U 8513244230416326065909810345,13961976233873461322297385441657,22898547721543876821935695804773817

%N Number of perfect matchings in the graph P_2 X P_10 X P_n.

%H Alois P. Heinz, <a href="/A287054/b287054.txt">Table of n, a(n) for n = 0..50</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PerfectMatching.html">Perfect Matching</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Matching_(graph_theory)">Matching (graph theory)</a>

%Y Column k=10 of A181206.

%K nonn

%O 0,2

%A _Alois P. Heinz_, May 18 2017