OFFSET
1,1
COMMENTS
Sequence agrees with the numbers of irredundant sets in the n X n antelope and fiveleaper graphs up to at least n = 5. - Eric W. Weisstein, Aug 24 2017
LINKS
Eric Weisstein's World of Mathematics, Antelope Graph
Eric Weisstein's World of Mathematics, Fiveleaper Graph
Eric Weisstein's World of Mathematics, Independent Vertex Set
Eric Weisstein's World of Mathematics, Irredundant Set
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jun 15 2017
STATUS
approved