Smallest positive k such that phi(2n*k+1) < phi(2n*k), where phi is Euler's totient function.
A090851
Smallest positive k such that phi(2n*k+1) < phi(2n*k), where phi is Euler's totient function.
Terms
- a(0) =157a(1) =131a(3) =103a(4) =87200213a(6) =28651a(7) =59
External references
- oeis: A090851