A037356 Numbers n such that no base 4 digit of n is a base 9 digit of n.

4, 5, 6, 7, 8, 10, 14, 15, 20, 21, 23, 32, 33, 34, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 76, 77, 78, 79, 80, 130, 131, 136, 138, 139, 140, 142, 143, 160, 204, 205, 209, 211