OFFSET
2,1
COMMENTS
Matchings are not necessarily perfect matchings.
C# software that can be used to compute this sequence can be found in A270228.
LINKS
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Independent Edge Set
Eric Weisstein's World of Mathematics, Matching
CROSSREFS
KEYWORD
nonn
AUTHOR
Andrew Howroyd, May 08 2017
STATUS
approved