The following is a list of the smallest solution to x^2 - ny^2 = 1 with n ≤ 128. For square n, there are no solutions except (1, 0). (sequence A002350 (x) and A002349 (y) in OEIS, or OEIS A033313 (x) and OEIS A033317 (y) (for nonsquare n))
The following is a list of the smallest solution to x^2 - ny^2 = 1 with n ≤ 128. For square n, there are no solutions except (1, 0). (sequence A002350 (x) and A002349 (y) in OEIS, or OEIS A033313 (x) and OEIS A033317 (y) (for nonsquare n))