Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^3.
A391749
Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^3.
Terms
- a(0) =112a(1) =736a(2) =257536a(3) =2718416a(4) =4175872a(5) =4427408a(6) =8699888a(7) =17145500a(8) =17178689536
External references
- oeis: A391749