3,1

An n X n multiplicative magic square is an n X n square of distinct positive integers with each row, column and diagonal having the same product (magic product).

Christian Boyer, The smallest possible multiplicative magic squares .

Eric Weisstein's World of Mathematics, Multiplication Magic Square

Cf. A111029, A111030, A111031, A111026, A111027.

Sequence in context: A017235 A017343 A017463 this_sequence A128964 A096290 A017595

Adjacent sequences: A114057 A114058 A114059 this_sequence A114061 A114062 A114063

nonn

David W. Wilson (davidwwilson(AT)comcast.net), Feb 02 2006