[comp.theory] The number of magic squares of order n

repcs@uno.edu (06/23/91)

In article <9106141627.AA03364@irt.watson.ibm.com>, njas@RESEARCH.ATT.COM (Neil Sloane) writes:
>Magic squares.  In Scientific American, Mar. 1959, p 146, the number
>of magic squares of order n is given as 1,0,1,880,... Does anyone
>know more terms?  Neil Sloane njas@research.att.com

I looked on bookshelf for *The Wonders of Magic Squares* by Jim
Moran. You might find the following quote useful,

     A recent computer analysis indicates that there are over
     275 million different 5x5 magic squares. (p.9)

Ray E. Pereda, U. of New Orleans
Computer Science Dept.