Divisors of 168.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =8a(7) =12a(8) =14a(9) =21a(10) =24a(11) =28a(12) =42a(13) =56a(14) =84a(15) =168