A044243 Numbers n such that string 7,0 occurs in the base 8 representation of n but not of n-1.

56, 120, 184, 248, 312, 376, 440, 448, 504, 568, 632, 696, 760, 824, 888, 952, 960, 1016, 1080, 1144, 1208, 1272, 1336, 1400, 1464, 1472, 1528, 1592, 1656, 1720, 1784, 1848, 1912, 1976, 1984, 2040, 2104, 2168, 2232, 2296, 2360