Numbers n such that 5*2^n + 1 is a prime factor of a generalized Fermat number 3^(2^m) + 1 for some m.
A268661
Numbers n such that 5*2^n + 1 is a prime factor of a generalized Fermat number 3^(2^m) + 1 for some m.
Terms
- a(0) =3a(1) =55a(2) =127a(3) =13165a(4) =240937a(5) =819739a(6) =1282755
External references
- oeis: A268661