Number of Squares in a Square
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How many squares can you find in the grid? This Demonstration shows how these three things are related: the concept of a square number, a visual puzzle, and the formula for the sum of the first square numbers, which is .
Contributed by: Hector Zenil (March 2011)
Open content licensed under CC BY-NC-SA
"Number of Squares in a Square"
Wolfram Demonstrations Project
Published: March 7 2011