Divisors of 390.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =10a(6) =13a(7) =15a(8) =26a(9) =30a(10) =39a(11) =65a(12) =78a(13) =130a(14) =195a(15) =390