Triangle, read by rows, T(n,k) = k^(n+1) * Pochhammer(1/k, n+1).

Terms

a(0) =2a(1) =6a(2) =15a(3) =24a(4) =105a(5) =280a(6) =120a(7) =945a(8) =3640a(9) =9945a(10) =720a(11) =10395a(12) =58240a(13) =208845a(14) =576576a(15) =5040a(16) =135135a(17) =1106560a(18) =5221125a(19) =17873856a(20) =49579075a(21) =40320a(22) =2027025a(23) =24344320a(24) =151412625a(25) =643458816a(26) =2131900225a(27) =5925744000a(28) =362880a(29) =34459425