Primes q such that (2^p + 1)/3 is prime, where p = Prime[q]; or primes in A123176[n].
A123214
Primes q such that (2^p + 1)/3 is prime, where p = Prime[q]; or primes in A123176[n].
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =31a(6) =43a(7) =1697a(8) =12923a(9) =13103a(10) =77509
External references
- oeis: A123214