Squarefree odd numbers with exactly 4 distinct prime factors.

Terms

a(0) =1155a(1) =1365a(2) =1785a(3) =1995a(4) =2145a(5) =2415a(6) =2805a(7) =3003a(8) =3045a(9) =3135a(10) =3255a(11) =3315a(12) =3705a(13) =3795a(14) =3885a(15) =3927a(16) =4305a(17) =4389a(18) =4485a(19) =4515a(20) =4641a(21) =4785a(22) =4845a(23) =4935a(24) =5005a(25) =5115a(26) =5187a(27) =5313a(28) =5565a(29) =5655