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A251419 Dominance number for triangle grid graph TG_n. 4


%S 1,1,2,3,3,5,6,7,9,10,13,15,17,19,21,24,27,30,33,36,40,43,47,51,55,59,

%T 63,68,72,77,82

%N Dominance number for triangle grid graph TG_n.

%C Conjectured to equal floor((n^2 + 7n - 23)/14) for n >= 14. See A251418.

%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>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a>

%Y Cf. A251418.

%K nonn,more

%O 1,3

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

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Last modified April 20 01:20 EDT 2021. Contains 343117 sequences. (Running on oeis4.)