Integers k such that phi(k) is equal to the product of (the sum of prime factors and the sum of exponents) of k+1.
A039789
Integers k such that phi(k) is equal to the product of (the sum of prime factors and the sum of exponents) of k+1.
Terms
- a(0) =7a(1) =15a(2) =62a(3) =65a(4) =76a(5) =98a(6) =260a(7) =980
External references
- oeis: A039789