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%I #16 Sep 05 2018 13:23:43
%S 1,1,1,1,2,1,1,2,3,1,1,3,4,4,1,1,3,6,5,5,1,1,4,7,11,7,6,1,1,4,10,14,
%T 16,10,7,1,1,5,12,24
%N Array read by antidiagonals of spreading numbers alpha_n(k).
%H B. Babcock and A. van Tuyl, <a href="http://arxiv.org/abs/1109.5847">Revisiting the spreading and covering numbers</a>, arXiv preprint arXiv:1109.5847, 2011
%e Array begins:
%e 1 1 1 1 1 1 1 1 1 1 ...
%e 1 2 2 3 3 4 4 5 5 6 ...
%e 1 3 4 6 7 10 12 15 19 22 ...
%e 1 4 5 11 14 24 30 45 55 76 ...
%e 1 5 7 16 [26-33] ...
%e ...
%Y Row 3 is A202169, row 4 is A053307. Cf. A202176.
%K nonn,tabl
%O 1,5
%A _N. J. A. Sloane_, Dec 13 2011