Numbers k such that 3*2^k + 1 is a prime factor of a Fermat number 2^(2^m) + 1 for some m.
A204620
Numbers k such that 3*2^k + 1 is a prime factor of a Fermat number 2^(2^m) + 1 for some m.
Terms
- a(0) =41a(1) =209a(2) =157169a(3) =213321a(4) =303093a(5) =382449a(6) =2145353a(7) =2478785
External references
- oeis: A204620