A044303 Numbers n such that string 5,7 occurs in the base 9 representation of n but not of n-1.

52, 133, 214, 295, 376, 457, 468, 538, 619, 700, 781, 862, 943, 1024, 1105, 1186, 1197, 1267, 1348, 1429, 1510, 1591, 1672, 1753, 1834, 1915, 1926, 1996, 2077, 2158, 2239, 2320, 2401, 2482, 2563, 2644, 2655, 2725, 2806