A234622 Numbers of undirected cycles in the n X n king graph.

7, 348, 136597, 545217435, 21964731190911, 9389890985897322572, 41930442683035614068268389, 1912714607714074785106312737308553, 888957501697133413663023517792044869026260, 4209348789084188565760570660849691414465827388642586

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: A347505 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