OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..6
Eric Weisstein's World of Mathematics, Hanoi Graph.
Eric Weisstein's World of Mathematics, Minimal Total Dominating Set.
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jun 09 2025
EXTENSIONS
a(4) onwards from Andrew Howroyd, Jun 09 2025
STATUS
approved
