Values of x in the solutions to x^2 - 3xy + y^2 + 11 = 0, where 0 < x < y.

Terms

a(0) =3a(1) =4a(2) =5a(3) =9a(4) =12a(5) =23a(6) =31a(7) =60a(8) =81a(9) =157a(10) =212a(11) =411a(12) =555a(13) =1076a(14) =1453a(15) =2817a(16) =3804a(17) =7375a(18) =9959a(19) =19308a(20) =26073a(21) =50549a(22) =68260a(23) =132339a(24) =178707a(25) =346468a(26) =467861a(27) =907065a(28) =1224876a(29) =2374727