A044426 Numbers n such that string 9,4 occurs in the base 10 representation of n but not of n-1.

94, 194, 294, 394, 494, 594, 694, 794, 894, 940, 994, 1094, 1194, 1294, 1394, 1494, 1594, 1694, 1794, 1894, 1940, 1994, 2094, 2194, 2294, 2394, 2494, 2594, 2694, 2794, 2894, 2940, 2994, 3094, 3194, 3294, 3394, 3494, 3594