2 1 2 3 6 7 July 8, 2019 16 32 64 128 1 2 3 6 7 8 1 2 3 6 7 pattern 1 2 3 6 7 9 1 2 3 6 7 5 0 1 2 3 6 7 4 1 2 3 6 7 2 1 7 х 2 1 4 3 6 7 1 2 2 3 6 7 next number 1 2 2 3 6 7 next number in series 1 2 3 6 7 8-hxcdd 1 2 3 6 7 8 hxcdf 1 2 3 6 7 in fraction 1 2 3 6 7 8 hexahydropyrene