A234603 Numbers of undirected cycles in the n X n black bishop graph.

2, 53, 12424, 12300529, 504040211574, 84649132742336262, 1080241691057266946999792

Offset: 3

Author

Eric W. Weisstein, Dec 28 2013

Keywords

• nonn
• hard
• more

Links

• Eric Weisstein's World of Mathematics, Black Bishop Graph
• Eric Weisstein's World of Mathematics, Graph Cycle

Crossrefs

Cf. A234630, A234636, A234624, A282889, A234632.

Extensions

a(7) from Eric W. Weisstein, Jan 04 2014

a(3) prepended and a(8)-a(9) from Andrew Howroyd, May 08 2017