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Number of (undirected) paths in the n X n torus grid graph.
4

%I #9 Feb 16 2025 08:33:55

%S 4536,725408,276182500,272445788808

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

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

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

%K nonn,more,bref,changed

%O 3,1

%A _Eric W. Weisstein_, May 06 2019

%E a(6) from _Eric W. Weisstein_, May 08 2019