%I #3 Mar 30 2012 18:36:44
%S 1,2,4,10,30,110,484,2514,15142,104126,806772,6965090,66374766,
%T 692629618,7860173564,96428710490,1272217776422,17968286438066,
%U 270569090589308,4328163151246858,73311692500174358,1311041890981700358
%N Absolute row sums of triangular matrix A101897, in which column k equals column 0 of A101897^k and where the n-th row sums are zero for n>0.
%Y Cf. A101897, A101898, A101899, A101900.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Dec 20 2004