3827628

Appears in sequences

• Triangle T, read by rows, where column k of T equals (k+1)*(column k of T^2) when shifted to have an initial '1'; i.e., T(n,k) = (k+1)*[T^2](n-1,k) for n>k>=0, with T(n,n)=1 for n>=0.at n=47A123305
• Column 2 of triangle A123305.at n=7A123308