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A297049
Number of edge covers in the n X n black bishop graph.
2
0, 1, 24, 7727, 2494936740, 25307171607331423, 15900270561859760919435630132, 1222687716170419330982627155048858310990681, 381227447067591911693777422129578054172394402181491165828756232
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Edge Cover
CROSSREFS
Sequence in context: A275054 A088616 A158042 * A147860 A159409 A167824
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Dec 24 2017
EXTENSIONS
a(6)-a(9) from Andrew Howroyd, Dec 27 2017
STATUS
approved