Find the sum of first n squares, difference equation approach, (ft. Max!)

Check out Max's Channel for more interesting math topics! https://youtu.be/HoCYrAjUac8 Find the sum of first n^2, ft. Max! find 1^2+2^2+3^2+...+n^2, difference equation, 1^2+2^2+3^2+...+n^2 formula, 1+2+3+...+n formula, find the sum of first n squares, find the sum of first squares of n, sum of the first n natural numbers, series of n^2, blackpenredpen, math for fun,