What is the next number in the series, 1, 2, 4, 7, 11, 16, 22, 29, 37, 46,__?

Solution:

1+1=2

2+2=4

4+3=7

7+4=11

11+5=16

16+6=22

22+7=29

29+8=37

37+9=46

46+10=56(Next Number)