Divisors of 144.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =9a(7) =12a(8) =16a(9) =18a(10) =24a(11) =36a(12) =48a(13) =72a(14) =144