Primes of the form Phi(k, -9), where Phi is the cyclotomic polynomial.
A291991
Primes of the form Phi(k, -9), where Phi is the cyclotomic polynomial.
Terms
- a(0) =73a(1) =530713a(2) =6481a(3) =47763361a(4) =42521761a(7) =282429005041
External references
- oeis: A291991