Numbers n such that (11^n - 4^n)/7 is prime.
A216181
Numbers n such that (11^n - 4^n)/7 is prime.
Terms
- a(0) =3a(1) =5a(2) =11a(3) =17a(4) =71a(5) =89a(6) =827a(7) =22307a(8) =45893a(9) =63521
External references
- oeis: A216181
A216181
Numbers n such that (11^n - 4^n)/7 is prime.