Composite q such that 4^q + q is prime.
A100663
Composite q such that 4^q + q is prime.
Terms
- a(0) =9a(1) =15a(2) =85a(3) =133a(4) =225a(5) =1233a(6) =12793a(7) =108889
External references
- oeis: A100663
A100663
Composite q such that 4^q + q is prime.