Odd squarefree numbers k such that k/phi(k) > 2, where phi is Euler's totient function.

Terms

a(0) =105a(1) =165a(2) =195a(3) =1155a(4) =1365a(5) =1785a(6) =1995a(7) =2145a(8) =2415a(9) =2805a(10) =3003a(11) =3045a(12) =3135a(13) =3255a(14) =3315a(15) =3705a(16) =3795a(17) =3885a(18) =3927a(19) =4305a(20) =4389a(21) =4485a(22) =4515a(23) =4641a(24) =4785a(25) =4845a(26) =4935a(27) =5115a(28) =5187a(29) =5313