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%I #4 Jul 27 2022 16:35:48
%S 1,1,2,7,34,198,1308,9651,79210,720898,7240804,79774814,957795188,
%T 12453298700,174353907960,2615339041155,41845544418330,
%U 711374726547210,12804746933817300,243290199050400810,4865804009789159580,102181884318952612980,2248001455463732796360
%N Row sums of A174159.
%t a[n_] := Sum[A174159[n, k], {k, 0, n}]; Table[a[n], {n, 0, 22}]
%Y Cf. A174159.
%K nonn
%O 0,3
%A _Peter Luschny_, Jul 27 2022