a(n) = smallest number k such that k - ms(k) = n, or 0 if no such number has been found, where ms(k) = sum of divisors of k other than k.

A082730

a(n) = smallest number k such that k - ms(k) = n, or 0 if no such number has been found, where ms(k) = sum of divisors of k other than k.

Terms

    a(0) =6a(1) =1a(2) =3a(3) =0a(4) =5a(5) =9a(6) =7a(7) =50a(8) =22a(9) =0a(10) =11a(11) =244036a(12) =13a(13) =0a(14) =27a(15) =0a(16) =17a(17) =0a(18) =19a(19) =25a(20) =46a(21) =0a(22) =23a(23) =0a(24) =124a(25) =98a(26) =58a(27) =0a(28) =29a(29) =0

External references