Difference between revisions of "1994 AJHSME Problems/Problem 24"
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Revision as of 13:49, 15 August 2011
Problem
A 
by square is divided into four 
by squares. Each of the small squares is to be painted either green or red. In how many different ways can the painting be accomplished so that no green square shares its top or right side with any red square? There may be as few as zero or as many as four small green squares.
