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%I #33 Sep 19 2021 13:06:48
%S 1,3,6,4,5,5,6,6,9,11,12,14,15,16,18,19,23,25,27,30,31,33,36,39,42,45
%N Domination number of the n-triangular honeycomb obtuse knight graph.
%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
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/DominationNumber.html">Domination Number</a>
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Dec 04 2014
%E a(20) = 30 from _Eric W. Weisstein_, Mar 04 2016
%E a(21)-a(26) and new name from _Eric W. Weisstein_, Sep 14-19 2021
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