Numbers k such that 5*2^k + 1 is a prime factor of a generalized Fermat number 7^(2^m) + 1 for some m.
A282945
Numbers k such that 5*2^k + 1 is a prime factor of a generalized Fermat number 7^(2^m) + 1 for some m.
Terms
- a(0) =15a(1) =13165a(2) =23473a(3) =1777515
External references
- oeis: A282945