11,12,13,16,17,20,25,24, () fill in a number in brackets to make it conform to the arrangement rule of the original sequence

11,12,13,16,17,20,25,24, () fill in a number in brackets to make it conform to the arrangement rule of the original sequence

Find the rule one by one, and find that the difference of odd term is the first, second and third power of 2
So the term = 25 + 2 to the fourth power = 41