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%I #10 Jul 08 2023 15:36:52
%S 0,1,222,128769,959427728,110346440462642
%N Numbers of undirected cycles in the n X n knight graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/KnightGraph.html">Knight Graph</a>
%t Table[Length[FindCycle[KnightTourGraph[n, n], Infinity, All]], {n, 5}]
%K nonn
%O 2,3
%A _Eric W. Weisstein_, Dec 28 2013
%E a(7) from _Ed Wynn_, Jul 08 2023
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