Primes of the form Phi(k, -7), where Phi is the cyclotomic polynomial.

A291993

Primes of the form Phi(k, -7), where Phi is the cyclotomic polynomial.

Terms

    a(0) =43a(1) =117307a(2) =2801a(3) =6568801a(7) =16148168401a(9) =13564461457a(11) =13841169553a(12) =11898664849

External references