A287225 Number of matchings in the n X n knight graph.

1, 1, 47, 8617, 4437215, 18283403428, 478131755555352, 65146261730656227552, 51516890628947512147926356, 244151636345172523021724077440553, 6697138334086551576618194527162685383161

Offset: 1

Author

Eric W. Weisstein, May 22 2017

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, Independent Edge Set
• Eric Weisstein's World of Mathematics, Knight Graph
• Eric Weisstein's World of Mathematics, Matching

Crossrefs

Row sums of A302241.

Cf. A289200, A289202, A141243.

Extensions

a(7)-a(11) from Andrew Howroyd, Jul 01 2017