a(n) is the smallest number k such that A033880(k)= n, or 0 if no such number exists, where A033880 is the abundance of k.

A082731

a(n) is the smallest number k such that A033880(k)= n, or 0 if no such number exists, where A033880 is the abundance of k.

Terms

    a(0) =6a(1) =0a(2) =20a(3) =18a(4) =12a(5) =0a(6) =8925a(7) =196a(8) =56a(9) =0a(10) =40a(11) =0a(12) =24a(13) =0a(14) =272a(15) =0a(16) =550a(17) =100a(18) =208a(19) =36a(20) =176a(21) =0a(22) =1312a(23) =0a(24) =112a(25) =0a(26) =80a(27) =0a(28) =48a(29) =0

External references