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A297669
Number of chordless cycles in the n X n torus grid graph.
1
15, 224, 1815, 28716, 886837, 46775584, 4207536351
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Chordless Cycle
Eric Weisstein's World of Mathematics, Torus Grid Graph
CROSSREFS
Sequence in context: A137916 A218696 A367863 * A171320 A078364 A209221
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jan 02 2018
EXTENSIONS
a(6)-a(9) from Andrew Howroyd, Jan 08 2018
STATUS
approved