1,2

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Connected Graph

Eric Weisstein's World of Mathematics, Knight Graph

Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph

Sequence in context: A109056 A326944 A155204 * A144992 A198511 A282040

Adjacent sequences: A290762 A290763 A290764 * A290766 A290767 A290768

nonn,more

Eric W. Weisstein, Aug 10 2017

a(6)-a(8) from Andrew Howroyd, Aug 15 2017

approved