Least k such that 2^x + k produces primes for x=1..n and composite for x=n+1.
A193109
Least k such that 2^x + k produces primes for x=1..n and composite for x=n+1.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =3a(4) =225a(5) =15a(6) =65835a(7) =1605a(8) =19425a(9) =2397347205a(10) =153535525935
External references
- oeis: A193109