Numbers n such that 5*2^n + 1 is a prime factor of a generalized Fermat number 12^(2^m) + 1 for some m.
A268664
Numbers n such that 5*2^n + 1 is a prime factor of a generalized Fermat number 12^(2^m) + 1 for some m.
Terms
- a(0) =13a(1) =15a(2) =127a(3) =5947a(4) =26607a(5) =1320487
External references
- oeis: A268664