Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) has height 4.

Terms

a(0) =1365a(1) =1995a(2) =2415a(3) =2431a(4) =2737a(5) =2849a(6) =3003a(7) =3255a(8) =3315a(9) =3553a(10) =3689a(11) =4081a(12) =4147a(13) =4199a(14) =4305a(15) =4485a(16) =4515a(17) =4543a(18) =4991a(19) =5593a(20) =5681a(21) =5865a(22) =6045a(23) =6105a(24) =6251a(25) =6405a(26) =6409a(27) =6555a(28) =6721a(29) =6851