A044708 Numbers n such that string 8,4 occurs in the base 9 representation of n but not of n+1.

76, 157, 238, 319, 400, 481, 562, 643, 692, 724, 805, 886, 967, 1048, 1129, 1210, 1291, 1372, 1421, 1453, 1534, 1615, 1696, 1777, 1858, 1939, 2020, 2101, 2150, 2182, 2263, 2344, 2425, 2506, 2587, 2668, 2749, 2830, 2879