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Number of edge covers in an n X n white bishop graph.
2

%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