Primes p such that 3^p - 3^((p + 1)/2) + 1 is prime.
A125738
Primes p such that 3^p - 3^((p + 1)/2) + 1 is prime.
Terms
- a(0) =3a(1) =11a(2) =193a(3) =239a(4) =659a(5) =709a(6) =1103a(7) =2029a(8) =9049a(9) =10453a(10) =255361a(11) =534827a(12) =2888387
External references
- oeis: A125738