A290719 Number of (non-null) connected induced subgraphs in the n X n black bishop graph.

1, 3, 22, 168, 5251, 194751, 27478594, 3852814320, 2065546517563

Offset: 1

Author

Eric W. Weisstein, Aug 09 2017

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, Black Bishop Graph
• Eric Weisstein's World of Mathematics, Connected Graph
• Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph

Crossrefs

Cf. A289145, A290769.

Extensions

a(8)-a(9) from Andrew Howroyd, Aug 15 2017