A046373 Odd numbers with exactly 3 palindromic prime factors (counted with multiplicity).

27, 45, 63, 75, 99, 105, 125, 147, 165, 175, 231, 245, 275, 343, 363, 385, 539, 605, 847, 909, 1179, 1331, 1359, 1515, 1629, 1719, 1965, 2121, 2265, 2525, 2715, 2751, 2817, 2865, 3171, 3177, 3275, 3333, 3357, 3447, 3535, 3775, 3801, 4011, 4323, 4525