20, 21, 25, 34, 50, ?, 111

Direction: What should come in place of the question mark in each of the following number series ?

Series pattern
20 + 1² = 21,
21 + 2² = 25,
25 + 3² = 34,
34 + 4² = 50,
50 + 5² = 75 Should come in place of ' ? '
75 + 6² = 111