58302domain: NAppears in sequencesNumbers n such that sigma(n) = 7*phi(n).at n=13A136540Numbers x such that sigma(x)=sigma(V(x)), where sigma(x) is the sum of the divisors of x and V(x) the transform defined in A245252.at n=17A245469Number of ways to represent prime(n)^3 as a sum of 3 distinct primes.at n=8A289193