Primes of form n^2 + 256.

Terms

a(0) =257a(1) =281a(2) =337a(3) =617a(4) =881a(5) =1097a(6) =1217a(7) =1481a(8) =1777a(9) =2281a(10) =2657a(11) =2857a(12) =4481a(13) =5297a(14) =5881a(15) =7481a(16) =8537a(17) =9281a(18) =10457a(19) =12577a(20) =14897a(21) =15881a(22) =17417a(23) =18481a(24) =19577a(25) =23057a(26) =24281a(27) =25537a(28) =26177a(29) =27481