

A234603


Numbers of undirected cycles in the n X n black bishop graph.


3




OFFSET

3,1


LINKS

Table of n, a(n) for n=3..9.
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Graph Cycle


CROSSREFS

Cf. A234630, A234636, A234624, A282889, A234632.
Sequence in context: A176943 A176946 A265443 * A087865 A278843 A083471
Adjacent sequences: A234600 A234601 A234602 * A234604 A234605 A234606


KEYWORD

nonn,hard,more


AUTHOR

Eric W. Weisstein, Dec 28 2013


EXTENSIONS

a(7) from Eric W. Weisstein, Jan 04 2014
a(3) prepended and a(8)a(9) from Andrew Howroyd, May 08 2017


STATUS

approved



