%I #2 Mar 30 2012 18:37:04
%S 1,1,2,12,132,2200,50020,1458576,52443832,2262992496,114895662336,
%T 6760541866320,455507310538720,34799057492306432,2989515666973533776,
%U 286751042457693435936,30519571712404528878560
%N Column 0 of triangle A132471.
%C Diagonal m of T=A132471 equals diagonal m-1 of matrix power T^m for m>1: T(n,k) = [T^(n-k)](n-1,k) for n>=k>0, with T(n,n)=1 and T(n+1,n)=n+1 for n>=0.
%Y Cf. A132471 (triangle); other columns: A132473, A132474.
%K nonn
%O 0,3
%A _Paul D. Hanna_, Aug 22 2007