Numbers x such that p = x^2 + 7y^2, with prime p = A033207(n).

Terms

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