In "Number Series" question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces
2 , 5 , 9 , 19 , 37 , x
The second number is one more than twice the first ;
third number is one twice second ;
fourth number is one more then twice the third ;
fifth number is one less then twice the fourth.
Thus the sixth number is one more than twice the fifth.