Primes in A103376.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =31a(6) =71a(7) =127a(8) =157a(9) =227a(10) =257a(11) =293a(12) =349a(13) =419a(14) =503a(15) =65657a(16) =152833a(17) =172297a(18) =11229341a(19) =12584983a(20) =26532901a(21) =31220807a(22) =1164893671