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A126654 A 3 x 3 magic square. 7

%I #14 Jul 12 2018 11:42:05

%S 32,4,24,12,20,28,16,36,8

%N A 3 x 3 magic square.

%C The magic sum is 60. See Figure C.6 in Appendix C in Maya Ahmed's PhD 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.

%F a(n) = ( A116198(n) + 1 ) * 4. - _Martin Ettl_, Nov 12 2012

%e The magic square is:

%e 32 4 24

%e 12 20 28

%e 16 36 8

%K fini,full,nonn,tabf

%O 1,1

%A _Parthasarathy Nambi_, Feb 08 2007

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