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%I #13 Nov 23 2018 04:09:58
%S 1,2,7,32,171,1110,8148,68500,637688,6592438,74324893,913096970,
%T 12092478469,172257496610,2621329989642,42504082679852,
%U 730902589691526,13296176824037236,254998358579025213,5144120812828240642,108867706910988952663,2412334062040643706424,55847969248056742007556
%N Row sums of triangle A321686.
%H Seiichi Manyama, <a href="/A321688/b321688.txt">Table of n, a(n) for n = 1..50</a>
%Y Cf. A000110, A321686.
%K nonn
%O 1,2
%A _Seiichi Manyama_, Nov 17 2018
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