A276291 - OEIS

%I #42 May 06 2017 23:39:43

%S 1512,91392,5911400,1120056192,252824095384,187568248374272

%N Number of directed Hamiltonian paths on the n X n torus grid graph.

%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/TorusGridGraph.html">Torus Grid Graph</a>

%F a(n) = 2 * A268838(n). - _Andrew Howroyd_, May 06 2017

%K nonn,more

%O 3,1

%A _Eric W. Weisstein_, Nov 15 2016

%E a(7)-a(8) from _Andrew Howroyd_, May 06 2017