3,1

Table of n, a(n) for n=3..5.

Eric Weisstein's World of Mathematics, Connected Dominating Set

Eric Weisstein's World of Mathematics, Minimal Dominating Set

Eric Weisstein's World of Mathematics, Torus Grid Graph

Sequence in context: A013236 A013242 A169971 * A267165 A000955 A027721

Adjacent sequences: A295426 A295427 A295428 * A295430 A295431 A295432

nonn,more,bref

Eric W. Weisstein, Feb 12 2018

approved