A044329 Numbers n such that string 8,6 occurs in the base 9 representation of n but not of n-1.

78, 159, 240, 321, 402, 483, 564, 645, 702, 726, 807, 888, 969, 1050, 1131, 1212, 1293, 1374, 1431, 1455, 1536, 1617, 1698, 1779, 1860, 1941, 2022, 2103, 2160, 2184, 2265, 2346, 2427, 2508, 2589, 2670, 2751, 2832, 2889