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A 5 x 5 Ornate magic square.
5

%I #12 Jul 12 2018 11:41:28

%S 25,1,23,6,10,12,14,3,20,16,2,24,13,8,18,11,7,21,9,17,15,19,5,22,4

%N A 5 x 5 Ornate magic square.

%C The magic sum is 65. See Figure C.8 in Appendix C of Maya Ahmed's thesis.

%H Maya Mohsin Ahmed, <a href="https://arxiv.org/abs/math/0405476">Algebraic Combinatorics of Magic Squares</a>, arXiv:math/0405476 [math.CO], 2004. PhD thesis.

%H Maya Mohsin Ahmed, <a href="https://www.jstor.org/stable/4145267">How many squares are there, Mr. Franklin?: Constructing and Enumerating Franklin Squares</a>, Amer. Math. Monthly, Vol. 111, 2004, pp. 394-410.

%e The magic square is:

%e 25 1 23 6 10

%e 12 14 3 20 16

%e 2 24 13 8 18

%e 11 7 21 9 17

%e 15 19 5 22 4

%o (PARI) [25,1,23,6,10; 12,14,3,20,16; 2,24,13,8,18; 11,7,21,9,17; 15,19,5,22,4] \\ _Charles R Greathouse IV_, Dec 12 2014

%K fini,full,nonn,tabf

%O 1,1

%A _Parthasarathy Nambi_, Feb 08 2007