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%I #7 Apr 23 2018 14:25:01
%S 1,2,48,31328,473555616,155337138737984,1070159970425515438368,
%T 152060635426686819239358391520,
%U 440726752780548858707046038903585268960,25867445082047583284454362951686346866758358099808
%N Chromatic invariant of the n X n king graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChromaticInvariant.html">Chromatic Invariant</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/KingGraph.html">King Graph</a>
%Y Cf. A182517, A212208, A212209, A289136.
%K nonn,more
%O 1,2
%A _Eric W. Weisstein_, Nov 16 2017
%E a(6)-a(10) from _Andrew Howroyd_, Apr 23 2018
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