A050746 Decimal expansion of n^7 contains no pair of consecutive equal digits.

0, 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 14, 15, 16, 19, 24, 25, 26, 27, 28, 29, 32, 36, 46, 52, 56, 57, 61, 62, 63, 71, 74, 79, 82, 83, 91, 101, 107, 111, 125, 132, 135, 136, 147, 149, 152, 153, 154, 159, 161, 163, 171, 173, 175, 194, 204, 207, 211, 212, 221, 225, 227