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A132472 Column 0 of triangle A132471. 3

%I

%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

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Last modified September 26 16:15 EDT 2021. Contains 347670 sequences. (Running on oeis4.)