A magic square for which the number of letters in the word for each number generates another magic square.
This definition depends, of course, on the language being used. In English, for example,
where the magic square on the right corresponds to
the number of letters in
Sallows, L. C. F. "Alphamagic Squares." Abacus4, 28-45, 1986.Sallows, L. C. F. "Alphamagic
Squares. 2." Abacus4, 20-29 and 43, 1987.Sallows,
L. C. F. "Alpha Magic Squares." In The
Lighter Side of Mathematics (Ed. R. K. Guy and R. E. Woodrow).
Washington, DC: Math. Assoc. Amer., 1994.