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%I #5 Nov 17 2017 04:05:54
%S 1,-3,6,0,0,11687,100231463
%N Chromatic invariant on the n-triangular honeycomb obtuse knight graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ChromaticInvariant.html">Chromatic Invariant</a>
%K sign,more
%O 1,2
%A _Eric W. Weisstein_, Nov 16 2017