A most perfect square due to Ollerenshaw

A 12-by-12 most perfect square due to Ollerenshaw

Usage

data(Ollerenshaw)

Source

“Most perfect pandiagonal magic squares”, K. Ollerenshaw and D. Bree, 1998, Institute of Mathematics and its applications

Examples

data(Ollerenshaw)
is.mostperfect(Ollerenshaw)
#> [1] TRUE