Divisors of 612.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =9a(6) =12a(7) =17a(8) =18a(9) =34a(10) =36a(11) =51a(12) =68a(13) =102a(14) =153a(15) =204a(16) =306a(17) =612