1 6x 2 2 3x 1 5 6 July 8, 2019 16 32 64 128 6x 1 2 4x 3 3x 1 6 2x 5 2 113x 2 9 2 6x )- 2 1 2 1 1 3x 5 6 1/2 * (6x - 1)
