Primes of the form 384*k + 257.

Terms

a(0) =257a(1) =641a(2) =1409a(3) =3329a(4) =4481a(5) =7937a(6) =9473a(7) =9857a(8) =11393a(9) =11777a(10) =12161a(11) =13313a(12) =13697a(13) =14081a(14) =15233a(15) =16001a(16) =17921a(17) =19073a(18) =19457a(19) =19841a(20) =21377a(21) =23297a(22) =25601a(23) =28289a(24) =30593a(25) =30977a(26) =35201a(27) =35969a(28) =36353a(29) =37889