Least m such that A(m) = -10^n, where A(n) = sigma(n) - 2n, the abundance of n.

A075767

Least m such that A(m) = -10^n, where A(n) = sigma(n) - 2n, the abundance of n.

Terms

    a(0) =1a(1) =11a(2) =101a(3) =5090a(4) =40028a(5) =182525a(6) =2000006a(7) =44244716a(8) =400000028a(9) =4000000028a(11) =200000000006

External references