Greco-Latin square

English Noun thumb|Example of a Greco-Latin square. A form of Latin square formed by the superposition of two Latin squares that do not lead to the same composite value appearing in any of the squares of the result. en 2013 Basics of Software Engineering Experimentation Natalia Juristo; Ana M. Moreno 381 Bose and Shrikhande then applied these rules and were able to build a Greco-Latin square of order 22. This disproved Euler's conjecture, as 22 is an even number not divisible by four. en 2018 Design of Experiments for Agriculture and the Natural Sciences Reza Hoshmand 48 Table 3.3.3.1 shows a Greco-Latin square with four treatments. en 2012 Taking Sudoku Seriously Jason Rosenhouse; Laura Taalman 43 Since we now have repeated ordered pairs, the square above is not a Greco-Latin square.