Primes p such that 2^p+11 is a prime.

Terms

a(0) =3a(1) =5a(2) =7a(3) =23a(4) =29a(5) =31a(6) =71a(7) =1301a(8) =4937a(9) =6959a(10) =47093a(11) =74167a(12) =345547