76088domain: NAppears in sequencesLeast non-balanced x (i.e., not in A020492) such that sigma(2n-1,x)/phi(x) is an integer.at n=38A078539Least non-balanced x (i.e., not in A020492) such that sigma(p(n),x)/phi(x) is an integer, where p(n) = n-th prime.at n=21A078540