A043220 Numbers n such that 0 and 5 occur juxtaposed in the base 10 representation of n but not of n-1.

50, 105, 150, 205, 250, 305, 350, 405, 450, 500, 550, 605, 650, 705, 750, 805, 850, 905, 950, 1005, 1050, 1105, 1150, 1205, 1250, 1305, 1350, 1405, 1450, 1500, 1550, 1605, 1650, 1705, 1750, 1805, 1850, 1905, 1950, 2005, 2050