What world the next number be?4、7、13、25、49

What world the next number be?4、7、13、25、49 what would the next number be?4,7,13,25,49,-- what's the next number? what is the next number What would be the next number in the following series?(在下面这组 What 's the next number?1 2 4 7 11 16 what would be the next number in this series"2...4...8...16. what should be the next number?32.36.9.12.4.6.A.2.B.3.C.4.D. what is the next number? 4,16,37,58,89,145,? what is the nex What number comes next 一道英语的智力题求解What would be the next number in this series?0,5,1 What is the next number in this sequence?