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1,2
Table of n, a(n) for n=1..9.
Eric Weisstein's World of Mathematics, Grid Graph
Eric Weisstein's World of Mathematics, Minimal Dominating Set
Main diagonal of A286847.
Cf. A133515 (dominating sets), A286869 (irredundant sets).
Sequence in context: A113561 A080809 A223098 * A118949 A264511 A053334
Adjacent sequences: A290379 A290380 A290381 * A290383 A290384 A290385
nonn,more
Eric W. Weisstein, Jul 28 2017
a(5)-a(9) from Andrew Howroyd, Jul 31 2017
approved