3,1

Table of n, a(n) for n=3..9.

Eric Weisstein's World of Mathematics, Connected Graph

Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph

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

Cf. A300527.

Sequence in context: A120789 A135629 A122119 * A157422 A061644 A053621

Adjacent sequences: A300525 A300526 A300527 * A300529 A300530 A300531

nonn,more

Eric W. Weisstein, Mar 08 2018

a(7)-a(9) from Andrew Howroyd, Mar 11 2018

approved