9 8 6 6 3 July 8, 2019 16 32 64 128 9 8 6 6 4 3 9 6 8 3 6 2 7 9 6 8 6 3 9 8 6 3 sequence 9 8 6 3 1 9 8 6 3 5 7 9 6 8 6 3 solutions
