1 3-1 7 July 8, 2019 16 32 64 128 1 3 1 7 1 3 1 7 as a fraction 1 3 1 7 6 1 3 1 7 9 1 3 1 75 1 3 1 7 2 1 3 1 7 8 1 3 1 7 4 1 3 1 7 2 5 1 3 1 729 1 3 1 7 10 1 3 1 73 1 3 1 7 15 1 3 1 7 12 1 3 1 70
