There are some wellknown methods to create a magic square of doubled size n=4k+2 from an existing magic square of odd order.
Method | |
---|---|
LUX-Method (Conway) | |
Rothstein | |
Rothstein (Variant ) | |
Strachey | |
Zhan – Wang – Huang | |
Zheng – Lin – Chen | |
Unknown author (Method 1) | |
Unknown author (Method 2) |
All algorithms are described in detail in my PDF book. (chapter: Magic Squares of doubled order)