5 x 4 x 3 6 9 x 4 6x 2 16 July 8, 2019 16 32 64 128 5 x 5 x 5 x 5 x 5 5 x 5 x 5 2 * 4 ^ x - 5 * 6 ^ x + 3 * 9 ^ x 0
