Triangle T(n,k) read by rows: T(n,0) = A002110(n) and T(n,k) = A002110(n)/prime(k) for 1<=k<=n.

Terms

a(0) =1a(1) =2a(2) =1a(3) =6a(4) =3a(5) =2a(6) =30a(7) =15a(8) =10a(9) =6a(10) =210a(11) =105a(12) =70a(13) =42a(14) =30a(15) =2310a(16) =1155a(17) =770a(18) =462a(19) =330a(20) =210a(21) =30030a(22) =15015a(23) =10010a(24) =6006a(25) =4290a(26) =2730a(27) =2310a(28) =510510a(29) =255255