%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
|