2 3 13 5 July 8, 2019 16 32 64 128 2 1 3 13 5 3 2 5 13 7 2 3 x 13 5 3 2 5 13 4 3 2 5 2x )= 13 5 14x 5x 2 3 13 3 2 ⋅ 5 13 13 2 3 5 6 2 3 5 8 13 2 3 5 8 13 sequence formula 2 3 5 8 13 next number 3 5x 13 2 5x 4 5 y 2 3 )=- 13 5 6 х )- 2 3 13 18 5 6 x )- 2 3 13 18