%I #5 Mar 31 2012 12:37:03
%S 3871,224843,5719981,7174463023,720594943717
%N Number of (n+1)X(n+1) 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Diagonal of A204791
%e Some solutions for n=4
%e ..2..3..0..3..4....4..5..2..4..0....2..2..5..1..2....3..5..6..2..2
%e ..3..3..5..3..1....4..0..4..2..5....3..2..0..2..6....2..0..2..1..4
%e ..5..0..5..0..5....1..5..2..4..0....2..2..5..0..5....3..5..6..2..2
%e ..7..3..2..3..4....3..5..2..6..5....3..2..0..2..3....2..0..2..1..4
%e ..5..0..5..0..5....1..5..2..4..0....5..0..5..2..2....6..5..6..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 19 2012
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