Triangle read by rows: T(n,k)=binomial(n,k-1)*k^(k-1)*(n+1-k)^(n-k) (1<=k<=n).

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =12a(5) =27a(6) =64a(7) =72a(8) =108a(9) =256a(10) =625a(11) =640a(12) =810a(13) =1280a(14) =3125a(15) =7776a(16) =7500a(17) =8640a(18) =11520a(19) =18750a(20) =46656a(21) =117649a(22) =108864a(23) =118125a(24) =143360a(25) =196875a(26) =326592a(27) =823543a(28) =2097152a(29) =1882384