Numbers k such that 4*k^2 + 25 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =9a(6) =11a(7) =12a(8) =13a(9) =14a(10) =16a(11) =17a(12) =18a(13) =21a(14) =23a(15) =26a(16) =29a(17) =34a(18) =36a(19) =37a(20) =38a(21) =47a(22) =48a(23) =49a(24) =51a(25) =53a(26) =54a(27) =56a(28) =62a(29) =63