13, 24, 46, 90 ......?

13, 24, 46, 90 ......?

Explanation

13 × 2 = 26 - 2 = 24

24 × 2 = 48 - 2 = 46

46 × 2 = 92 - 2 = 90

90 × 2 = 180 - 2 = 178