Divisors of 980.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =7a(5) =10a(6) =14a(7) =20a(8) =28a(9) =35a(10) =49a(11) =70a(12) =98a(13) =140a(14) =196a(15) =245a(16) =490a(17) =980