6 2 0 1 3 2 July 8, 2019 16 32 64 128 6 2 0 1 3 2 sequence 0 3n 2 6 0 9n 1 2n 3 0 6 x 1 2 3 )=- 1 2 6 x 2 )- 0 7 3 2x 4 )+ 1 3 6 1 3x )+ 2 2x 3 )= 0 2 6 5y 8 3 2y 0 1