4 4 5 7 1 July 8, 2019 16 32 64 128 4 4 5 7 10 4 4 5 7 1 3 4 4 5 7 1 2 4 4 5 1 7 8 4 4 5 1 7 9 4 (- 4 )- 7 (- 5 )= 19 4 4 5 x 7 12 4 4 5 x 1 7 4 5 7 11 4 5 7 15 4 5 7 11 sequence 4 5 7 12 4 5 7 11 next number 4 5 7 10 as a fraction 4 5 7 15 as a fraction