3,1

Table of n, a(n) for n=3..4.

Eric Weisstein's World of Mathematics, Cube-Connected Cycle Graph

Eric Weisstein's World of Mathematics, Independent Vertex Set

Eric Weisstein's World of Mathematics, Vertex Cover

Sequence in context: A066598 A212940 A232144 * A190381 A295437 A254265

Adjacent sequences: A293124 A293125 A293126 * A293128 A293129 A293130

nonn,bref,more

Eric W. Weisstein, Sep 30 2017

approved