A031880 Lucky numbers both palindromic and composite.

1, 9, 33, 99, 111, 141, 171, 303, 393, 535, 717, 777, 979, 1441, 1771, 3003, 3223, 3663, 5335, 7447, 9009, 9339, 9999, 11011, 11811, 11911, 12121, 12321, 12621, 13531, 14041, 14541, 14841, 17671, 18381, 18681, 19791, 30303, 31713, 32223