%I #13 Feb 17 2021 10:52:09
%S 6,82,850,63674,2861964,1087362018,218915964618,404126474166012,
%T 374905251599545986,3300767481388100805696,14292173292228195059141732,
%U 595370485568270695379595524706,12097705655943392593368119042729446,2376002864597357261596276659315012706002,227092183804629590129597176335482393366366980
%N Number of Hamiltonian cycles in the graph C_n X P_n.
%H Artem M. Karavaev, <a href="/A222197/b222197.txt">Table of n, a(n) for n = 3..22</a>
%H Artem M. Karavaev, <a href="https://web.archive.org/web/20161024010518/http://flowproblem.ru/cycles/hamilton-cycles">Hamilton Cycles</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HamiltonianCycle.html">Hamiltonian Cycle</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/StackedPrismGraph.html">Stacked Prism Graph</a>
%K nonn
%O 3,1
%A _N. J. A. Sloane_, Feb 14 2013