27 3 81 July 8, 2019 16 32 64 128 27 3 81 2 27 3 81 9 27 4 3 81 1 3 27 81 27 1 * 3 2x 81 27 81 3 x 27 5 81 3 Log 3 27 81 27 81 3 r 27 x 3 81 2x 4 27 n 3 81 n 1 3 27 81 pattern 27 81 3 3 x 243 27 6 81 3 If 27 81 3 x