A044806 Numbers n such that string 9,3 occurs in the base 10 representation of n but not of n+1.

93, 193, 293, 393, 493, 593, 693, 793, 893, 939, 993, 1093, 1193, 1293, 1393, 1493, 1593, 1693, 1793, 1893, 1939, 1993, 2093, 2193, 2293, 2393, 2493, 2593, 2693, 2793, 2893, 2939, 2993, 3093, 3193, 3293, 3393, 3493, 3593