217392domain: NAppears in sequencesa(n) = Sum_{k=1..n} k^6*binomial(n,k).at n=6A056468a(n) = Sum_{k=0..n} binomial(n,k)*k^n.at n=6A072034Triangle T(n,k), 0<=k<=n, read by rows, defined by Sum_{k = 0..n} T(n,k)*x^k = Sum_{k = 0..n} binomial(n,k)*(x+k)^n.at n=21A095677T(n,k) = Sum_{j=0..k} (k-j)^n * binomial(n,j).at n=27A215080