text: find three consecutive and the answer will be 26?   ???????: in base 9, the consecutive numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, ... so, (7 + 8 + 10) = 26.