OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Maximal Irredundant Set
Eric Weisstein's World of Mathematics, Queen Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Aug 17 2017
EXTENSIONS
a(5)-a(8) from Andrew Howroyd, Jan 14 2018
STATUS
approved