login
A 4 x 4 permutation-free magic square.
2

%I #2 Mar 30 2012 17:25:50

%S 831,326,267,574,584,257,316,841,158,683,742,415,425,732,673,168

%N A 4 x 4 permutation-free magic square.

%C The magic sum is 1998. For additional details see the paper by Hossin Behforooz.

%D Hossin Behforooz, "Permutation-free magic squares", J. Recreational Mathematics, vol. 33, (2004-2005), pp. 103-106. See Figure 2 on page 104.

%e The magic square is:

%e 831, 326, 267, 574

%e 584, 257, 316, 841

%e 158, 683, 742, 415

%e 425, 732, 673, 168

%Y Cf. A080992.

%K fini,nonn,tabf,full

%O 1,1

%A _Parthasarathy Nambi_, Jan 22 2007