A024839 Least m such that if r and s in {1/4, 1/8, 1/12, ..., 1/4n} satisfy r > s, then r > k/m > (k-1)/m > s for some integer k.

13, 33, 61, 97, 161, 221, 313, 393, 513, 613, 761, 881, 1057, 1249, 1405, 1625, 1861, 2049, 2313, 2593, 2813, 3121, 3445, 3697, 4049, 4417, 4801, 5101, 5513, 5941, 6385, 6729, 7201, 7689, 8193, 8581, 9113, 9661, 10225, 10657, 11857, 12481, 13121, 13613, 14281, 14965