2 3 1 4 (- 12n 8 July 8, 2019 16 32 64 128 2 3 4 n 8 1 4n 12 simplified 2 3 4 n 8 1 4 n 12 1 + 12 + 2 + 3 1 2 + 3 4 1 + 2 + 3 + 4 = 10
