A037354 Numbers n such that no base 4 digit of n is a base 7 digit of n.

4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 19, 20, 21, 24, 25, 26, 32, 33, 34, 38, 39, 40, 41, 42, 43, 46, 47, 48, 60, 62, 63, 116, 117, 150, 153, 160, 204, 207, 212, 215, 228, 229, 230, 231, 232, 235, 236, 237, 238, 239, 240, 242, 243, 244, 245