A297669 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

OFFSET

3,1

LINKS

Table of n, a(n) for n=3..9.

Eric Weisstein's World of Mathematics, Chordless Cycle

Eric Weisstein's World of Mathematics, Torus Grid Graph

CROSSREFS

Cf. A222199, A296527.

Sequence in context: A137916 A218696 A367863 * A171320 A078364 A209221

Adjacent sequences: A297666 A297667 A297668 * A297670 A297671 A297672

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Jan 02 2018

EXTENSIONS

a(6)-a(9) from Andrew Howroyd, Jan 08 2018

STATUS

approved