login
A297056
Number of edge covers in the n X n king graph.
2
0, 41, 559647, 2058903341490, 1919822469194024912961, 454793583387514185843536081792977, 27368974025724800737173203530619000355806000376, 418403166660689804867337021992321072270266489726877793864921013
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Edge Cover
Eric Weisstein's World of Mathematics, King Graph
CROSSREFS
Main diagonal of A297205.
Sequence in context: A112550 A114927 A286915 * A292070 A297230 A087512
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Dec 24 2017
EXTENSIONS
Terms a(4) and beyond from Andrew Howroyd, Dec 26 2017
STATUS
approved