1891712384domain: NAppears in sequencesa(n) = Sum_{k=0..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.at n=8A277373a(n) = n! * Laguerre(n,-8).at n=8A289214Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = n!*LaguerreL(n, -k*n).at n=53A338435