Problem 6 – Jack O’ Squares

Consider the following Jack-O-Grid of equally spaced Jack-O-Lanterns.

How many squares are there, whose vertices are Jack-O-Lanterns in this grid?

Solutions are due by 5:00 PM on Thursday, November 4th.  Please submit all solutions to mathpotw@acu.edu.

There were no correct solutions submitted for this problem as respondents didn’t consider the possibility of squares laid out diagonally.