Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^2.
A391312
Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^2.
Terms
- a(0) =24a(1) =176a(2) =450a(3) =3740a(4) =3776a(5) =64256a(6) =1043456a(7) =16756736a(8) =17545904a(9) =148122224
External references
- oeis: A391312