Primes of the form 2^k + 27.A104071Primes of the form 2^k + 27.Terms a(0) =29a(1) =31a(2) =43a(3) =59a(4) =283a(5) =1051a(6) =8219a(7) =16411a(8) =65563External referencesoeis: A104071