Primes of the form Phi(k, -5), where Phi is the cyclotomic polynomial.
A291998
Primes of the form Phi(k, -5), where Phi is the cyclotomic polynomial.
Terms
- a(0) =521a(1) =31a(2) =601a(3) =19531a(4) =12207031a(5) =390001a(6) =305175781a(7) =234750601a(9) =152587500001
External references
- oeis: A291998