5 3 5 7 1 2 July 8, 2019 16 32 64 128 4 3 5 7 1 2 5 3 1 7 20 3 5 7 2n 1 3 5 7 2 1 6 9 3 5 7 1 2 8 3 5 7 1 2 5 3 7 2 1 5 as a fraction 3 5 7 2n 1 n2 2n
