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%I #4 Mar 31 2012 12:36:08
%S 1272,11684688,3387715318,216668424092,5212823523842,83101128839744
%N Number of 5X5 0..n arrays with all the 2X2 subblocks nonsingular and the array of 2X2 subblock determinants symmetric
%C Row 4 of A187462
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 10 2011
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