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