2 9 3 5 1 7 July 8, 2019 16 32 64 128 3 2 9 x 1 5 7 1 2 3 5 7 9 arithmetic sequence 1 2 3 5 7 9 next number 5 1 2 3 7 9 as a fraction Resuelve 9 5 3 7 1 2