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Number of cycles in the grid graph P_10 X P_n.
1

%I #21 Feb 16 2025 08:34:04

%S 45,9779,2577870,439673502,64300829449,9203308475041,1322310119854705,

%T 190273063549680295,27359264067916806101,3931128009418993765997,

%U 564680431992866012642342,81106350080343571152166324,11649258590678717543578165244,1673159830616398545304368383554

%N Number of cycles in the grid graph P_10 X P_n.

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

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

%Y Row 9 of A231829.

%Y Cf. A140517.

%K nonn,changed

%O 2,1

%A _Seiichi Manyama_, Nov 30 2022

%E a(12)-a(15) from _Andrew Howroyd_, Jan 28 2023