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A234622 Numbers of undirected cycles in the n X n king graph. 3
7, 348, 136597, 545217435, 21964731190911, 9389890985897322572, 41930442683035614068268389, 1912714607714074785106312737308553, 888957501697133413663023517792044869026260, 4209348789084188565760570660849691414465827388642586 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..11.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, King Graph

CROSSREFS

Cf. A140519, A158651, A234623, A140517.

Sequence in context: A194504 A015479 A268309 * A142669 A239717 A266876

Adjacent sequences:  A234619 A234620 A234621 * A234623 A234624 A234625

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Dec 28 2013

EXTENSIONS

a(7)-a(11) from Andrew Howroyd, Apr 06 2016

STATUS

approved

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Last modified October 22 09:56 EDT 2019. Contains 328315 sequences. (Running on oeis4.)