OFFSET
1,1
LINKS
Christian Sievers, Table of n, a(n) for n = 1..6
Eric Weisstein's World of Mathematics, Hanoi Graph
Eric Weisstein's World of Mathematics, Maximal Irredundant Set
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, May 23 2019
EXTENSIONS
a(4) and beyond from Christian Sievers, May 14 2025
STATUS
approved
