Primes in A155171.

Terms

a(0) =2a(1) =7a(2) =29a(3) =101a(4) =107a(5) =197a(6) =227a(7) =457a(8) =647a(9) =829a(10) =1549a(11) =1627a(12) =2221a(13) =2309a(14) =2347a(15) =2521a(16) =2677a(17) =2801a(18) =3181a(19) =3299a(20) =3529a(21) =3541a(22) =3557a(23) =3739a(24) =3769a(25) =4231a(26) =4549a(27) =4871a(28) =4987a(29) =5651