1 1 2 3 4 7 July 8, 2019 16 32 64 128 1 2 3 4 7 8 1 2 3 4 7 9 1 2 3 4 7 8 sequence 1 2 3 4 7 6 1 2 3 4 7 8 hxcdf 1 2 3 4 75 1 2 3 4 70 1 2 3 4 7 8-hexachloro dibenzo-p-dioxin 1 2 3 4 7 8 as a fraction 1 2 3 4 7 as a fraction 2 1 3 4 7 sequence 2x 1 2 3 4 7x 8 X 1 2 3 4 7 6 X 1 2 3 4 7 8 1 1 2 x 1 3 4 x 7
