Primes p that divide gcd(2^k + 1, k! - 1) for some k other than (p-1)/2.
A366823
Primes p that divide gcd(2^k + 1, k! - 1) for some k other than (p-1)/2.
Terms
- a(0) =521881a(1) =774593a(2) =4327489a(3) =21764537a(4) =28807001a(5) =213833929
External references
- oeis: A366823