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%I #7 Apr 23 2015 12:17:32
%S 1,1,1,1,1,1,1,2,2,3,1,2,2,3,4,2,2,2,4,4,4,2,2,3,4,4,6,6,2,2,3,4,5,6,
%T 7,8,2,3,3,5,6,6,7,8,9,2,3,4,5,6,7,8,9,10,10
%N Triangle read by rows: (3,1) broadcast domination numbers.
%H D. Blessing, E. Insko, K. Johnson, C. Mauretour, <a href="http://arxiv.org/abs/1401.2499">On (t,r) Broadcast Domination Numbers of Grids</a>, arXiv preprint arXiv:1401.2499, 2014
%e Triangle begins:
%e 1,
%e 1, 1,
%e 1, 1, 1,
%e 1, 2, 2, 3,
%e 1, 2, 2, 3, 4,
%e 2, 2, 2, 4, 4, 4,
%e 2, 2, 3, 4, 4, 6, 6,
%e 2, 2, 3, 4, 5, 6, 7, 8,
%e 2, 3, 3, 5, 6, 6, 7, 8, 9,
%e 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
%e ...
%Y Cf. A236919.
%K nonn,tabl,more
%O 1,8
%A _N. J. A. Sloane_, Feb 11 2014