Least number k such that 7^(2^i) + k is prime for i = 0,1,..,n-1.
A161719
Least number k such that 7^(2^i) + k is prime for i = 0,1,..,n-1.
Terms
- a(0) =4a(1) =4a(2) =10a(3) =40a(4) =990a(5) =8712a(6) =1691820a(7) =69466840a(8) =6173190532
External references
- oeis: A161719