A044086 Numbers n such that string 1,4 occurs in the base 5 representation of n but not of n-1.

9, 34, 45, 59, 84, 109, 134, 159, 170, 184, 209, 225, 259, 284, 295, 309, 334, 359, 384, 409, 420, 434, 459, 484, 509, 534, 545, 559, 584, 609, 634, 659, 670, 684, 709, 734, 759, 784, 795, 809, 834, 850, 884, 909, 920, 934, 959