A043549 Least k for which the integers Floor(2k/m) for m=2,3,...,n are distinct.

1, 1, 1, 3, 6, 8, 10, 15, 21, 28, 32, 41, 45, 55, 66, 78, 91, 98, 113, 128, 136, 153, 171, 190, 210, 231, 242, 265, 288, 313, 325, 351, 378, 406, 435, 465, 496, 512, 545, 578, 613, 648, 666, 703, 741, 780, 820, 861, 903, 946, 968