Least k such that k^(6^n)*(k^(6^n) - 1) + 1 is prime.
A246121
Least k such that k^(6^n)*(k^(6^n) - 1) + 1 is prime.
Terms
- a(0) =2a(1) =3a(2) =88a(3) =28a(4) =688a(5) =7003a(6) =1925
External references
- oeis: A246121
A246121
Least k such that k^(6^n)*(k^(6^n) - 1) + 1 is prime.