Primes p such that 3^p + 3^((p + 1)/2) + 1 is prime.
A125739
Primes p such that 3^p + 3^((p + 1)/2) + 1 is prime.
Terms
- a(0) =3a(1) =5a(2) =7a(3) =17a(4) =19a(5) =79a(6) =163a(7) =317a(8) =353a(9) =1049a(10) =1759a(11) =5153a(12) =7541a(13) =23743a(14) =2237561a(15) =4043119
External references
- oeis: A125739