1,2
Table of n, a(n) for n=1..10.
Eric Weisstein's World of Mathematics, Minimal Dominating Set
Cf. A289876.
Sequence in context: A293995 A015715 A187787 * A019009 A290716 A347998
Adjacent sequences: A290714 A290715 A290716 * A290718 A290719 A290720
nonn,more
Eric W. Weisstein, Aug 09 2017
a(7)-a(10) from Andrew Howroyd, Aug 19 2017
approved