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%I #9 May 02 2020 07:34:09
%S 1,3,14,61,252,1019,4127,17242,74007,325615,1458604
%N Row sums of A281350.
%H R. J. Mathar, <a href="http://arxiv.org/abs/1603.00077">Topologically Distinct Sets of Non-intersecting Circles in the Plane</a>, arXiv:1603.00077 [math.CO], 2016.
%Y Cf. A281350.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Jan 20 2017