OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Knight Graph
Eric Weisstein's World of Mathematics, Matching
Eric Weisstein's World of Mathematics, Maximal Independent Edge Set
MATHEMATICA
Table[Length[FindIndependentVertexSet[LineGraph[KnightTourGraph[n, n]], Infinity, All]], {n, 5}]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jun 28 2017
EXTENSIONS
a(6) from Eric W. Weisstein, Jun 02 2019
STATUS
approved