1425495

Appears in sequences

• Expansion of e.g.f. exp( x/(1-x)^2 ) / (1-x)^2.at n=7A343884
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..n} binomial(n+(k-1)*(j+1),n-j)/j!.at n=52A361616