OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..7
Eric Weisstein's World of Mathematics, Dominating Set.
Eric Weisstein's World of Mathematics, Hanoi Graph.
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Sep 04 2021
EXTENSIONS
a(4) onwards from Andrew Howroyd, Aug 08 2024
STATUS
approved