1, 5, 7, 17, 23, 31, 53, 71, 95, 127, 161, 215, 287, 383, 485, 511, 647, 863, 1151, 1457, 1535, 1943, 2047, 2591, 3455, 4373, 4607, 5831, 6143, 7775, 8191, 10367, 13121, 13823, 17495, 18431, 23327, 24575, 31103, 32767, 39365, 41471, 52487, 55295, 69983, 73727, 93311, 98303, 118097, 124415, 131071, 157463, 165887