A024654 n written in fractional base 9/6.

0, 1, 2, 3, 4, 5, 6, 7, 8, 60, 61, 62, 63, 64, 65, 66, 67, 68, 630, 631, 632, 633, 634, 635, 636, 637, 638, 6300, 6301, 6302, 6303, 6304, 6305, 6306, 6307, 6308, 6360, 6361, 6362, 6363, 6364, 6365, 6366, 6367, 6368, 63030, 63031, 63032, 63033, 63034, 63035, 63036