Primes p such that (3^p - 3^((p + 1)/2) + 1)/7 is prime.
A125743
Primes p such that (3^p - 3^((p + 1)/2) + 1)/7 is prime.
Terms
- a(0) =5a(1) =31a(2) =53a(3) =163a(4) =509a(5) =1061a(6) =13627a(7) =20047a(8) =28411a(9) =50993a(10) =71453a(11) =272141a(12) =1353449
External references
- oeis: A125743