Primes in A103374.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =31a(6) =71a(7) =127a(8) =157a(9) =227a(10) =293a(11) =349a(12) =419a(13) =521a(14) =1873a(15) =3877a(16) =4889a(17) =6607a(18) =12289a(19) =19843a(20) =31873a(21) =42703a(22) =80309a(23) =137957a(24) =884987a(25) =976091a(26) =9979037a(27) =15614983a(28) =29738231a(29) =45024979