Number Series Puzzle: What will be the next number in the sequence

Series Puzzle

In the above number series picture a number is missing. You need to find the missing number using simple logic and mathematics. Answer is given below.

The missing number is 89
Explanation: The series is following below pattern
1, 1*2+1=3, 3*2+2=8, 8*2+3=19, 19*2+4=42, 42*2+5=89

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