1,1
Table of n, a(n) for n=1..3.
Eric Weisstein's World of Mathematics, Minimal Dominating Set
Eric Weisstein's World of Mathematics, Sierpinski Sieve Graph
Cf. A306189.
Sequence in context: A079622 A182330 A005844 * A156521 A012636 A006031
Adjacent sequences: A347512 A347513 A347514 * A347516 A347517 A347518
nonn,bref,more
Eric W. Weisstein, Sep 04 2021
approved