Concept:The series increases by consecutive square numbers.Explanation:Find the differences between consecutive terms: 14 – 10 = 4, 23 – 14 = 9, 39 – 23 = 16, 64 – 39 = 25.These differences are squares of 2, 3, 4, and 5.The next difference should be 6² = 36.Add 36 to the last term: 64 + 36 = 100.