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%I #4 Dec 18 2015 18:17:18
%S 2,2,102,194,52440,367472,1145093308,43695620566
%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 73.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009