(2,6)-imperfect numbers.

Terms

a(0) =6a(1) =12a(2) =24a(3) =30a(4) =60a(5) =120a(6) =252a(7) =384a(8) =510a(9) =864a(10) =1020a(11) =1260a(12) =1920a(13) =2040a(14) =2640a(15) =5418a(16) =12960a(17) =21420a(18) =21672a(19) =32640a(20) =75852a(21) =98304a(22) =108864a(23) =131070a(24) =262140a(25) =346752a(26) =379260a(27) =491520a(28) =524280a(29) =1982988