Triangle read by rows: T(n,k) = Product_{i=0..k-2} (i*n + n - 1).

Terms

a(0) =1a(1) =2a(2) =10a(3) =3a(4) =21a(5) =231a(6) =4a(7) =36a(8) =504a(9) =9576a(10) =5a(11) =55a(12) =935a(13) =21505a(14) =623645a(15) =6a(16) =78a(17) =1560a(18) =42120a(19) =1432080a(20) =58715280a(21) =7a(22) =105a(23) =2415a(24) =74865a(25) =2919735a(26) =137227545a(27) =7547514975a(28) =8a(29) =136