1, 1, 2, 3, 4, 7, 8, 15, 16, 17, 18, 35, 36, 71, 72, 73, 74, 147, 148, 295, 296, 297, 298, 595, 596, 597, 598, 599, 600, 1199, 1200, 2399, 2400, 2401, 2402, 2403, 2404, 4807, 4808, 4809, 4810, 9619, 9620, 19239, 19240, 19241, 19242, 38483, 38484, 38485