Divisors of 252.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =9a(7) =12a(8) =14a(9) =18a(10) =21a(11) =28a(12) =36a(13) =42a(14) =63a(15) =84a(16) =126a(17) =252