Primes in A103378.

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) =32299a(16) =33343a(17) =72421a(18) =80429a(19) =134269a(20) =140473a(21) =252761a(22) =2499061a(23) =201329923a(24) =607488611a(25) =1005428989a(26) =2920552289a(27) =8185638173a(28) =10676478541a(29) =14058719281