41. "Square" family. One person had 9 children, all of whom were born at equal intervals, and the sum of the squares of their ages equaled the square of his own age. How many full years old was each child?
41. The children were respectively \(2, 5, 8, 11, 14, 17, 20, 23, 26\) years old, and the father was 48 years old.