%I
%S 0,0,0,82,864,18784,622868,18061054,264895640,7886117822,128411926952,
%T 3611823644006,56348098488396,1548284436152798,24535910156176100,
%U 650456890341276338,10364916108987670024,267426031403733462626
%N Number (undirected) Hamiltonian paths in the 5 X n knight graph.
%C The number of (directed) knight's tours is twice this.  _Colin Rose_, Jun 12 2006
%D Jellis: http://home.freeuk.net/ktn/5a.htm [broken link ?]
%H Andrew Howroyd, <a href="/A083386/b083386.txt">Table of n, a(n) for n = 1..50</a>
%H Hochschule Mittweida, <a href="http://mathematik.htwm.de/software/gedit/index.html.en">Graph Editor</a>
%H C. Rose, <a href="http://www.tri.org.au/knightframe.html">The Distribution of the Knight</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HamiltonianPath.html">Hamiltonian Path</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/KnightGraph.html">Knight Graph</a>
%e There are 864 knight's tours on a 5 X 5 chessboard.
%Y Cf. A079137, A118067.
%K nonn
%O 1,4
%A André Pönitz (poenitz(AT)htwm.de), Jun 11 2003
