1,2

Table of n, a(n) for n=1..9.

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

Cf. A289145, A290769.

Sequence in context: A164021 A192365 A074578 * A074576 A077244 A138899

Adjacent sequences: A290716 A290717 A290718 * A290720 A290721 A290722

nonn,more

Eric W. Weisstein, Aug 09 2017

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

approved