First coordinate of fundamental unit of real quadratic field with discriminant A003658(n), n >= 2.

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =3a(5) =2a(6) =5a(7) =8a(8) =2a(9) =19a(10) =5a(11) =3a(12) =27a(13) =10a(14) =3a(15) =15a(16) =131a(17) =4a(18) =17a(19) =7a(20) =11a(21) =943a(22) =170a(23) =4a(24) =4a(25) =197a(26) =447a(27) =24a(28) =13a(29) =5035