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A301649 Number of longest cycles in the n X n knight graph. 0
0, 0, 1, 16, 120, 9862 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

a(8) = 13267364410532.

LINKS

Table of n, a(n) for n=1..6.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Knight Graph

FORMULA

a(2*n) = A001230(n) for A001230(n) > 0. - Andrew Howroyd, Apr 16 2018

CROSSREFS

Cf. A001230.

Sequence in context: A027049 A060219 A185760 * A014732 A135794 A161851

Adjacent sequences:  A301646 A301647 A301648 * A301650 A301651 A301652

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Mar 25 2018

STATUS

approved

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Last modified November 21 01:23 EST 2019. Contains 329348 sequences. (Running on oeis4.)