Positive integers of the form 2x^2+xy-2y^2 (discriminant 17).

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =9a(5) =13a(6) =16a(7) =17a(8) =18a(9) =19a(10) =25a(11) =26a(12) =32a(13) =34a(14) =36a(15) =38a(16) =43a(17) =47a(18) =49a(19) =50a(20) =52a(21) =53a(22) =59a(23) =64a(24) =67a(25) =68a(26) =72a(27) =76a(28) =81a(29) =83