%I #3 Mar 30 2012 18:36:45

%S 1,3,9,21,50,132,293,660,1506,3245,7076,16106,34583,71142,152060,

%T 324278,675302,1376229,2802336,5785296,11845829,23776227,46881076,

%U 93000635,184777349,365374417,715280116,1384696572,2662428956,5123722227

%N Row sums of triangle A105542, which equals the matrix square of triangle A105540.

%C Triangular matrix A105540 has the property that column n equals A105540^(n+1) when flattened as read by rows.

%Y Cf. A105542, A105540.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Apr 13 2005