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Number of (undirected) paths in the n X n X n grid graph.
0

%I #7 Sep 09 2017 10:45:28

%S 0,444,550674681

%N Number of (undirected) paths in the n X n X n grid graph.

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

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

%K nonn,more,bref

%O 1,2

%A _Eric W. Weisstein_, Sep 09 2017