Sum of Consecutive Squares – It equals a Square
               This online sum of consecutive cubes, it is said sum of consecutive cubes is a square it is proved by 1^3 + 2^3 + 3^3 + ... + n^3 = m^2
Use this online calculator and calculate easy
        
        
             
  
                   Formula:
Sum of consecutive squares = ( ( n * ( n + 1 ) * ( 2n + 1 ) ) / 6)