Numerator of sigma_3(n)/sigma_2(n).

Terms

a(0) =1a(1) =9a(2) =14a(3) =73a(4) =63a(5) =126a(6) =172a(7) =117a(8) =757a(9) =567a(10) =666a(11) =146a(12) =1099a(13) =1548a(14) =882a(15) =151a(16) =2457a(17) =6813a(18) =3430a(19) =219a(20) =2408a(21) =5994a(22) =6084a(23) =1638a(24) =15751a(25) =9891a(26) =1022a(27) =12556a(28) =12195a(29) =7938