Numbers x such that p = x^2 - 5y^2, where p == 0, 1, or 4 (mod 5).

Terms

a(0) =5a(1) =4a(2) =8a(3) =7a(4) =6a(5) =11a(6) =8a(7) =9a(8) =14a(9) =18a(10) =13a(11) =11a(12) =17a(13) =16a(14) =12a(15) =13a(16) =14a(17) =28a(18) =19a(19) =14a(20) =18a(21) =16a(22) =27a(23) =22a(24) =31a(25) =16a(26) =17a(27) =26a(28) =19a(29) =34