By Shalosh B. Ekhad and StudentsOfDrZ ExpMathClass
Exclusively published in the Personal Journal of Shalosh B. Ekhad and Doron Zeilberger
Posted: Feb. 26, 2019
StudentsOfDrZ ExpMathClass:= { Yonah Biers-Ariel, Victoria Chayes, Tong Cheng, Terence Coelho ,Quentin Dubrorff ,Matthew Hohertz, Jingze Li, Joseph Olsen, Jason Saied, Lauren Squillace, Yukun Yao, Tianhao Zhang, Songhao Zhu}
But what about semi-magic rectangles? Now the polynomials are not so nice, but using Experimental Mathematics, and automated guessing, one can derive explicit formulas.
This article was derived during Doron Zeilberger's Eperimental Mathematics Class (Spring 2019) , in Class 6 (Feb. 11, 2019).
the input file generates the output file.