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%I #4 Mar 31 2012 12:36:08
%S 625,187525,450657775,3764498129375,268361727217027575
%N Number of (n+1)X(n+1) 0..4 arrays with the array of 2X2 subblock determinants symmetric
%C Column 4 of A187457
%e Some solutions for 4X4
%e ..0..0..0..1....0..0..1..1....0..0..0..1....0..0..0..0....0..0..0..0
%e ..0..0..0..0....0..0..0..0....0..0..0..2....0..0..0..4....0..0..0..3
%e ..0..0..3..3....0..0..2..3....0..0..0..3....1..4..1..1....0..0..4..3
%e ..0..0..0..0....3..0..2..4....3..0..2..4....1..4..0..3....1..3..4..4
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 10 2011
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