%I
%S 1,3,9,30,115,510,2602,15133,99367,729962,5949393,53392902,524077321,
%T 5592200388,64520858034,801031071955,10654883235991,151253483735767,
%U 2283450321888155,36544617881242655,618220383026770560
%N Row sums of the matrix square of triangle A091351, in which the kth column lists the row sums of A091351^k (the kth power of A091351 when considered as a lower triangular matrix).
%C Also equals the second column of triangle A091351.
%Y Cf. A091351, A091352, A091354.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Jan 02 2004
