%I #6 Apr 23 2015 12:16:45
%S 1,2,2,2,3,4,3,4,6,8,3,5,7,10,11,4,6,8,12,14,16,4,7,10,13,16,19,21,5,
%T 8,11,15,18,22,25,28,5,9,12,17,20,24,28,32,35,6,10,14,19,22,27,30,35,
%U 39,42
%N Triangle read by rows: (2,2) 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 2, 2,
%e 2, 3, 4,
%e 3, 4, 6, 8,
%e 3, 5, 7, 10, 11,
%e 4, 6, 8, 12, 14, 16,
%e 4, 7, 10, 13, 16, 19, 21,
%e 5, 8, 11, 15, 18, 22, 25, 28,
%e 5, 9, 12, 17, 20, 24, 28, 32, 35,
%e 6, 10, 14, 19, 22, 27, 30, 35, 39, 42,
%e ...
%Y Cf. A236920.
%K nonn,tabl,more
%O 1,2
%A _N. J. A. Sloane_, Feb 11 2014