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Clique covering number of obtuse knights graph N_n.
0

%I #12 Aug 05 2016 11:09:04

%S 1,3,6,7,7,9,15,18,21,21,27,31,37,42,44,49,56,63,70

%N Clique covering number of obtuse knights graph N_n.

%H Stan Wagon, <a href="http://www.jstor.org/stable/10.4169/college.math.j.45.4.278">Graph Theory Problems from Hexagonal and Traditional Chess</a>, The College Mathematics Journal, Vol. 45, No. 4, September 2014, pp. 278-287

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Dec 04 2014