A033318 Least D in the Pellian x^2 - D*y^2 = 1 for which y has least solution n.

3, 2, 7, 5, 23, 10, 47, 17, 79, 26, 119, 21, 167, 50, 176, 65, 287, 82, 359, 57, 88, 122, 527, 28, 623, 170, 727, 111, 839, 44, 959, 257, 216, 290, 1035, 183, 1367, 362, 19, 77, 1679, 22, 1847, 273, 208, 530, 2207, 456, 2399, 626, 128, 381, 2807, 730, 696