a(n) = rad(A143176(n)).

Terms

a(0) =1a(1) =2a(2) =6a(3) =6a(4) =30a(5) =6a(6) =42a(7) =30a(8) =30a(9) =30a(10) =330a(11) =30a(12) =390a(13) =210a(14) =210a(15) =30a(16) =510a(17) =210a(18) =3990a(19) =210a(20) =210a(21) =2310a(22) =4830a(23) =2310a(24) =2310a(25) =2730a(26) =210a(27) =2310a(28) =66990a(29) =2310