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%I #4 Nov 16 2017 10:40:57
%S 1,4,-1,78,1306725
%N Chromatic invariant of the n X n knight 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/KnightGraph.html">Knight Graph</a>
%K sign,more
%O 1,2
%A _Eric W. Weisstein_, Nov 16 2017