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%I #7 Dec 27 2017 03:11:34
%S 1,7,7727,157594295,25307171607331423,248623620604452326072191369,
%T 1222687716170419330982627155048858310990681,
%U 1489240082317443052675901127621355415416483610007972990833417
%N Number of edge covers in an n X n white bishop graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/EdgeCover.html">Edge Cover</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/WhiteBishopGraph.html">White Bishop Graph</a>
%Y Cf. A297048, A297049.
%K nonn,more
%O 2,2
%A _Eric W. Weisstein_, Dec 24 2017
%E a(6)-a(9) from _Andrew Howroyd_, Dec 27 2017