Numbers n such that 5^n-4^(n-1) is prime.
A272296
Numbers n such that 5^n-4^(n-1) is prime.
Terms
- a(0) =3a(1) =11a(2) =25a(3) =341a(4) =1827a(5) =2581a(6) =4475a(7) =11157a(8) =41141a(9) =64721
External references
- oeis: A272296
A272296
Numbers n such that 5^n-4^(n-1) is prime.