Multiplicative Pascal triangle, read by rows: T(n,1)=T(n,n)=n and T(n,k) = T(n-1,k-1) * T(n-1,k).

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =4a(5) =3a(6) =4a(7) =12a(8) =12a(9) =4a(10) =5a(11) =48a(12) =144a(13) =48a(14) =5a(15) =6a(16) =240a(17) =6912a(18) =6912a(19) =240a(20) =6a(21) =7a(22) =1440a(23) =1658880a(24) =47775744a(25) =1658880a(26) =1440a(27) =7a(28) =8a(29) =10080