Numbers k such that 2^k - prime(k)^2 is prime.

Terms

a(0) =11a(1) =15a(2) =17a(3) =23a(4) =27a(5) =47a(6) =231a(7) =457a(8) =1249a(9) =1529a(10) =2343a(11) =4693a(12) =5939a(13) =5997a(14) =8367a(15) =19855a(16) =21295a(17) =36583