"Fourteen proofs of a result about tiling a rectangle" (Stan Wagon)
*The American Mathematical Monthly*, Aug-Sep 1987, Vol 94 #7. There
was also a fifteenth proof published a few issues later, attributed to
a (University of Kentucky?) student.

"Fourteen proofs of a result about tiling a rectangle" (Stan Wagon)
*The American Mathematical Monthly*, Aug-Sep 1987, Vol 94 #7. There
was also a fifteenth proof published a few issues later, attributed to
a (University of Kentucky?) student.

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