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A358856
Number of (undirected) cycles in the graph C_6 X C_n.
3
35205, 1165194, 34846271, 995818716, 27888940001, 773821636750, 21378607696815, 589724385779004, 16270311004670729, 449476421435825046, 12442365158796491483, 345293706994488530008, 9609116953522118190009, 268189777386676703675238, 7507073356371047897526119, 210735605847160867677182616
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Graph Cycle
Eric Weisstein's World of Mathematics, Torus Grid Graph
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Seiichi Manyama, Dec 03 2022
EXTENSIONS
a(7)-a(18) from Andrew Howroyd, Jan 28 2023
STATUS
approved