a(n) is the smallest prime of the form (2n-1)^k - 2 for k > (2n-1), or 0 if no such number exists.
A128472
a(n) is the smallest prime of the form (2n-1)^k - 2 for k > (2n-1), or 0 if no such number exists.
Terms
- a(0) =0a(1) =79a(2) =6103515623a(3) =5764799a(4) =31381059607
External references
- oeis: A128472