%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