Primes p such that 5*2^p + 1 is also prime.
A322301
Primes p such that 5*2^p + 1 is also prime.
Terms
- a(0) =3a(1) =7a(2) =13a(3) =127a(4) =3313a(5) =23473a(6) =819739
External references
- oeis: A322301
A322301
Primes p such that 5*2^p + 1 is also prime.