4 6 2 12 1 July 8, 2019 16 32 64 128 4 1 5x )+ 6 2 12 x )+ 4x 1 2 4 6 12 sequence Nema 1 2 3 3r 4 6 12 13 3 4 8x 6 2 12 1 2x 4 12 2 x 6 11 12 6 2 x 4 15 3 4 1 2 x 12 1 6 6 1 4 divided by 2 1 12 3 4 5 2x 6 12 2 4 1 2 6 10 12 divided by 4